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13531 discussions

RE: secure filer access
by Ehrhart, Rick 14 Aug '02

14 Aug '02

There is also options httpd.admin.access. You can read man page na_protocolaccess(8) for more details. BTW, options http.access is options httpd.access. The version on ONTAP is 6.2 or later. - Rick - > -----Original Message----- > From: Potakamuri, Sreenivasa [mailto:Sreenivasa.Potakamuri@netapp.com] > Sent: Wednesday, August 14, 2002 10:27 AM > To: 'Moritz Willers'; toasters(a)mathworks.com > Subject: RE: secure filer access > > > > > -----Original Message----- > > From: Moritz Willers [mailto:Moritz.Willers@ubsw.com] > > Sent: Wednesday, August 14, 2002 9:35 AM > > To: toasters(a)mathworks.com > > Subject: secure filer access > > > > > > I'm trying to configure ssh/https admin access from any host > > to a filer, > > but no telnet, no http admin and rsh access from one host only (the > > admin host). > > > > > Use > "options telnet.access", "options rsh.access" and "options > http.access" > commands to control telnet, rsh and http access. > > > > > I can't find how I can control ssh/https access separately. > Is this > > really not possible or am I missing something? > > > > > We don't have any commands to control the ssh/https access. We are > adding those in the next release. > > > Regards, > Sreenivasa Potakamuri > Network Appliance. > > > > > > how do others manage secure filer management via cli and gui? > > > > thanks - Moritz > > > > > > Visit our website at http://www.ubswarburg.com > > > > This message contains confidential information and is intended only > > for the individual named. If you are not the named addressee you > > should not disseminate, distribute or copy this e-mail. Please > > notify the sender immediately by e-mail if you have received this > > e-mail by mistake and delete this e-mail from your system. > > > > E-mail transmission cannot be guaranteed to be secure or error-free > > as information could be intercepted, corrupted, lost, destroyed, > > arrive late or incomplete, or contain viruses. The sender > therefore > > does not accept liability for any errors or omissions in > the contents > > of this message which arise as a result of e-mail transmission. If > > verification is required please request a hard-copy version. This > > message is provided for informational purposes and should not be > > construed as a solicitation or offer to buy or sell any > securities or > > related financial instruments. > > >

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RE: secure filer access
by Potakamuri, Sreenivasa 14 Aug '02

14 Aug '02

> -----Original Message----- > From: Moritz Willers [mailto:Moritz.Willers@ubsw.com] > Sent: Wednesday, August 14, 2002 9:35 AM > To: toasters(a)mathworks.com > Subject: secure filer access > > > I'm trying to configure ssh/https admin access from any host > to a filer, > but no telnet, no http admin and rsh access from one host only (the > admin host). > Use "options telnet.access", "options rsh.access" and "options http.access" commands to control telnet, rsh and http access. > I can't find how I can control ssh/https access separately. Is this > really not possible or am I missing something? > We don't have any commands to control the ssh/https access. We are adding those in the next release. Regards, Sreenivasa Potakamuri Network Appliance. > how do others manage secure filer management via cli and gui? > > thanks - Moritz > > > Visit our website at http://www.ubswarburg.com > > This message contains confidential information and is intended only > for the individual named. If you are not the named addressee you > should not disseminate, distribute or copy this e-mail. Please > notify the sender immediately by e-mail if you have received this > e-mail by mistake and delete this e-mail from your system. > > E-mail transmission cannot be guaranteed to be secure or error-free > as information could be intercepted, corrupted, lost, destroyed, > arrive late or incomplete, or contain viruses. The sender therefore > does not accept liability for any errors or omissions in the contents > of this message which arise as a result of e-mail transmission. If > verification is required please request a hard-copy version. This > message is provided for informational purposes and should not be > construed as a solicitation or offer to buy or sell any securities or > related financial instruments. >

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urgent
by Mr:Davis Masinga 14 Aug '02

14 Aug '02

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Do you make conference calls?
by I-Corporate News 13 Aug '02

13 Aug '02

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Moving a viewstore from Windows NT onto Netapp f740 filer
by Kumar, Rahul 13 Aug '02

13 Aug '02

Dear Fellows, Can somebody guide me with how to move an existing viewstore which is on windows nt server onto a filer. I am aware of following commands cifs access /vol/vol0/viewstgnt -g develop "full control" cifs access /vol/vol0/viewstgnt clearcase_albd "full control" The server from which we are supposingly to move viewstore is a NT Build machine. Regards Rahul

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NFS Delay
by Tim Longo 12 Aug '02

12 Aug '02

I've noticed that when I make a change on an nfs mounted file system on my Netapp from one machine, it sometimes takes anywhere from a few seconds to a minute for other machines that access the same nfs mounted file system to see the change I made from the first machine. The clients are unix and linux machines. Example: On my admin host (unix machine), I change permissions on an exported directory. A unix client that automounts this directory takes 20 to 30 seconds before I see the directory permissions change. Anyone else experience something like this? What sort of things should I be checking to reduce or eliminate this delay? Thanks.

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cp command on NetApp?
by Edward Hibbert 12 Aug '02

12 Aug '02

I want to copy large amounts of data around, and I'm reluctant to pull the data down from the filer and push it back again. I know there's a mv command on the NetApp - is there any way of doing a cp? And if so, does it come with a particular ONTAP version? Regards, Edward Hibbert Internet Applications Group Data Connection Ltd Tel: +44 131 662 1212 Fax: +44 131 662 1345 Email: eh(a)dataconnection.com Web: http://www.dataconnection.com

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Quota t-hold & s-disk field
by Nicholas Chuah 12 Aug '02

12 Aug '02

Read the doc and was not very clear on the t-hold and s-disk field in the quotas file. Seems that both will log a warning in the syslog while t-hold will still allow writes to complete if it is below the disk limit. What about the s-disk? Thanks Nic __________________________________________________ Do You Yahoo!? HotJobs - Search Thousands of New Jobs http://www.hotjobs.com

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RE: Netapp migrating
by Neumann, Ulrich 10 Aug '02

10 Aug '02

if the filer is "real working" with local groups and you are shure that there are no other permissions given - then its not a problem to move the filer to the new domain. the local groups don't change - all the memebers will be there and also the acls. to change the filer to w2k sometimes you need to create the machine-account before moving. we did this with several nt4 boxes, w2k boxes and 2 toasters. Mit freundlichen Grüßen/Best Regards Ulrich Neumann -----Original Message----- From: Asbjørn Bjørkelund [mailto:asbjorn.bjorkelund@proact.no] Sent: Friday, August 09, 2002 15:26 To: toasters(a)mathworks.com Subject: Netapp migrating Hello Toasters We are going to migrate a filer from a NT40 domain to a W2K AD native mode domain, and there is a trust between these 2 domain, and all the users are located on the W2K domain. On the filer we have lots of local groups, files and users working and we don't to want generate new acl's. We have been looking on the microsoft utility ADMT, is there anyone with experience using this utility, to migrate locale groups and machine account? Hilsen / Best Regards Asbjørn Bjørkelund

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RE: I have 2 volumes in the same raid group, though the docs say you
by Kenley, Martin 10 Aug '02

10 Aug '02

This is correct, whenever you create a volume the 1st raid group by default is named Raid Group 0, and if the vol is sufficiently large to need a second Raid Group, it will be called RG1, etc. Martin -----Original Message----- From: Chris Thompson [mailto:cet1@cus.cam.ac.uk] Sent: Friday, August 09, 2002 4:18 PM To: art(a)arzoon.com Cc: toasters(a)mathworks.com Subject: Re: I have 2 volumes in the same raid group, though the docs say you art(a)arzoon.com (Art Hebert) writes: > > I have 7 disks in vol0 in raid group 0 and 2 disks in vol1 in > raid group 0. > > In the manual it seems to say you can't do this. Will this cause > any problems? Oops: just reread your subject field, and I see what you are confused about now... The "raid group 0" in each volumes are separate raid groups: it's just a naming convention. They each have their own parity disc, as 'sysconfig -r" will tel you. Raid groups are never shared between volumes. In ONTAP 6.2, "sysconfig -r" gives names to the raid groups like "/vol0/plex0/rg0" and "/vol1/plex0/rg0", making it more obvious that they are distinct entities. Chris Thompson Email: cet1(a)cam.ac.uk

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Re: I have 2 volumes in the same raid group, though the docs say you
by Chris Thompson 09 Aug '02

09 Aug '02

art(a)arzoon.com (Art Hebert) writes: > > I have 7 disks in vol0 in raid group 0 and 2 disks in vol1 in > raid group 0. > > In the manual it seems to say you can't do this. Will this cause > any problems? Oops: just reread your subject field, and I see what you are confused about now... The "raid group 0" in each volumes are separate raid groups: it's just a naming convention. They each have their own parity disc, as 'sysconfig -r" will tel you. Raid groups are never shared between volumes. In ONTAP 6.2, "sysconfig -r" gives names to the raid groups like "/vol0/plex0/rg0" and "/vol1/plex0/rg0", making it more obvious that they are distinct entities. Chris Thompson Email: cet1(a)cam.ac.uk

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I have 2 volumes in the same raid group, though the docs say you can't...
by Art Hebert 09 Aug '02

09 Aug '02

I have 7 disks in vol0 in raid group 0 and 2 disks in vol1 in raid group 0. In the manual it seems to say you can't do this. Will this cause any problems? thanks art

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RE: I have a volume without a spare...
by Art Hebert 09 Aug '02

09 Aug '02

Sam -- thanks, everything has numbers assigned. I must of screwed up when I created the volume. Any way to make one of the 6 data disks a spare? Thanks art -----Original Message----- From: Sam Schorr [mailto:sschorr@homestead-inc.com] Sent: Friday, August 09, 2002 2:08 PM To: Art Hebert; toasters(a)mathworks.com Subject: RE: I have a volume without a spare... Art, Issue the following at the command prompt: fcadmin device_map If you see an entry with xxx instead of a number, that is the missing drive. You should also review the message files - you will probably see a line about a missing disk, finding a spare and reconstructing. The "missing" disk is spun down, but not marked as failed. If you pull out the drive you find that the netapp thinks is missing, and put in a new spare, you will first see a "failed" message. Fun stuff! --sam -----Original Message----- From: Art Hebert [mailto:art@arzoon.com] Sent: Friday, August 09, 2002 1:49 PM To: 'toasters(a)mathworks.com' Subject: I have a volume without a spare... I was just reading about how a disk can drop out and the spare gets used but its not marked as failed. So I thought I would check my filer and sure enough I have a volume that has the following: 1 parity drive 6 data drives RAID group 0 RAID Disk HA.ID HA SHELF BAY CHAN Used (MB/blks) Phys (MB/blks) --------- ----- ------------ ---- -------------- -------------- parity 4.2 4 0 2 FC:A 34500/70656000 35003/71687368 data 4.4 4 0 4 FC:A 34500/70656000 35003/71687368 data 4.1 4 0 1 FC:A 34500/70656000 35003/71687368 data 4.6 4 0 6 FC:A 34500/70656000 35003/71687368 data 4.0 4 0 0 FC:A 34500/70656000 35003/71687368 data 4.3 4 0 3 FC:A 34500/70656000 35003/71687368 data 4.5 4 0 5 FC:A 34500/70656000 35003/71687368 I always have a spare on a filer so I'm not sure if it has been used for a failed disk (I go to our hosting once a week to check all of the machines physically and didn't see any red lights). How can I tell if I have a failed disk? I do a df of the volume and it shows 6x36gb disks. Filesystem kbytes used avail capacity Mounted on /vol/vol0/ 190657844 52445200 138212644 28% /vol/vol0/ /vol/vol0/.snapshot 0 3108820 0 ---% /vol/vol0/.snapshot My other conclusion is I screwed up when I created the volume, if so how can I turn one of the data disks into a spare? Thanks art

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Re: ndmpcopy performance on F740
by Joseph Bishop 09 Aug '02

09 Aug '02

Brian, I have seen 6.5MBytes between an F760 and an F820. Are you using UDP or TCP? And (ignorant question) is Fast ethernet Gigabit or 100Mbit? Joe At 04:43 PM 8/9/2002 -0400, Brian Tao wrote: > What sort of throughput are people seeing between two F740s on >Fast Ethernet using ndmpcopy? I'm getting at best 4 megabytes per >second on the destination filer, with the CPU (from a "sysstat 1") >hovering above 95%. The source filer is still humming along at about >20% CPU (though difficult to tell, since there was other activity on >the source filer at the time). Doesn't seem that writes via NDMP are >very efficient on an F740 (6.1.2R1 on both ends). I'm starting to >think that putting a cheap FreeBSD Intel box between the two filers >doing copies over NFS will be faster (in fact, I'm pretty sure it will >be). Does it get better if I have parallel NDMP sessions going? >-- >Brian Tao (BT300, taob(a)risc.org) >"Though this be madness, yet there is method in't"

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Upgrade issues with 6.1.2r3
by Sayla, Mustafa 09 Aug '02

09 Aug '02

Earlier I had posted a problem regarding the upgrade from 6.0.1r3 to 6.1.2r3. With the help of netapp support we were able to resolve the problem and in the process found out that there is a bug (Bug ID 50610 and 40696) in 6.1.2r3 that for complete Windows 2000 functionality your NetBIOS name should be the 15 leftmost character of the DNS name. in our case our NetBIOS name is MFI and DNS name is mesirowfinancial.net. The bug states that this will work but the filer will behave as a windows NT4 server instead of a Windows 2000 server. Well this defeats the purpose of upgrading the ONTap version so to test it we setup a domain with NetBIOS name as Mesirow and DNS name as Mesirow.net. Now this meets the requirement for upgrade but during cifs setup when we put the domain name as Mesirow.net, we get the following error: "DNS does not appear to be configured correctly for proper windows 2000 operation in this domain. The filer could not resolve simple domain name 'MESIROW' to DNS form 'MESIROW.NET" This is the same error we were receiving before with NetBIOS name of MFI and DNS name of mesirowfinancial.net. "DNS does not appear to be configured correctly for proper windows 2000 operation in this domain. The filer could not resolve simple domain name 'MESIROWFINANCIA' to DNS form 'MESIROWFINANCIAL.NET" We have checked our configuration for DNS and WINS and do not find anything wrong in it. Any help on this issue would be highly appreciated. Network Appliance technical support is working with me on this and are very helpful. Mustafa

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I have a volume without a spare...
by Art Hebert 09 Aug '02

09 Aug '02

I was just reading about how a disk can drop out and the spare gets used but its not marked as failed. So I thought I would check my filer and sure enough I have a volume that has the following: 1 parity drive 6 data drives RAID group 0 RAID Disk HA.ID HA SHELF BAY CHAN Used (MB/blks) Phys (MB/blks) --------- ----- ------------ ---- -------------- -------------- parity 4.2 4 0 2 FC:A 34500/70656000 35003/71687368 data 4.4 4 0 4 FC:A 34500/70656000 35003/71687368 data 4.1 4 0 1 FC:A 34500/70656000 35003/71687368 data 4.6 4 0 6 FC:A 34500/70656000 35003/71687368 data 4.0 4 0 0 FC:A 34500/70656000 35003/71687368 data 4.3 4 0 3 FC:A 34500/70656000 35003/71687368 data 4.5 4 0 5 FC:A 34500/70656000 35003/71687368 I always have a spare on a filer so I'm not sure if it has been used for a failed disk (I go to our hosting once a week to check all of the machines physically and didn't see any red lights). How can I tell if I have a failed disk? I do a df of the volume and it shows 6x36gb disks. Filesystem kbytes used avail capacity Mounted on /vol/vol0/ 190657844 52445200 138212644 28% /vol/vol0/ /vol/vol0/.snapshot 0 3108820 0 ---% /vol/vol0/.snapshot My other conclusion is I screwed up when I created the volume, if so how can I turn one of the data disks into a spare? Thanks art

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RE: I have a volume without a spare...
by Sam Schorr 09 Aug '02

09 Aug '02

Art, Issue the following at the command prompt: fcadmin device_map If you see an entry with xxx instead of a number, that is the missing drive. You should also review the message files - you will probably see a line about a missing disk, finding a spare and reconstructing. The "missing" disk is spun down, but not marked as failed. If you pull out the drive you find that the netapp thinks is missing, and put in a new spare, you will first see a "failed" message. Fun stuff! --sam -----Original Message----- From: Art Hebert [mailto:art@arzoon.com] Sent: Friday, August 09, 2002 1:49 PM To: 'toasters(a)mathworks.com' Subject: I have a volume without a spare... I was just reading about how a disk can drop out and the spare gets used but its not marked as failed. So I thought I would check my filer and sure enough I have a volume that has the following: 1 parity drive 6 data drives RAID group 0 RAID Disk HA.ID HA SHELF BAY CHAN Used (MB/blks) Phys (MB/blks) --------- ----- ------------ ---- -------------- -------------- parity 4.2 4 0 2 FC:A 34500/70656000 35003/71687368 data 4.4 4 0 4 FC:A 34500/70656000 35003/71687368 data 4.1 4 0 1 FC:A 34500/70656000 35003/71687368 data 4.6 4 0 6 FC:A 34500/70656000 35003/71687368 data 4.0 4 0 0 FC:A 34500/70656000 35003/71687368 data 4.3 4 0 3 FC:A 34500/70656000 35003/71687368 data 4.5 4 0 5 FC:A 34500/70656000 35003/71687368 I always have a spare on a filer so I'm not sure if it has been used for a failed disk (I go to our hosting once a week to check all of the machines physically and didn't see any red lights). How can I tell if I have a failed disk? I do a df of the volume and it shows 6x36gb disks. Filesystem kbytes used avail capacity Mounted on /vol/vol0/ 190657844 52445200 138212644 28% /vol/vol0/ /vol/vol0/.snapshot 0 3108820 0 ---% /vol/vol0/.snapshot My other conclusion is I screwed up when I created the volume, if so how can I turn one of the data disks into a spare? Thanks art

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ndmpcopy performance on F740
by Brian Tao 09 Aug '02

09 Aug '02

What sort of throughput are people seeing between two F740s on Fast Ethernet using ndmpcopy? I'm getting at best 4 megabytes per second on the destination filer, with the CPU (from a "sysstat 1") hovering above 95%. The source filer is still humming along at about 20% CPU (though difficult to tell, since there was other activity on the source filer at the time). Doesn't seem that writes via NDMP are very efficient on an F740 (6.1.2R1 on both ends). I'm starting to think that putting a cheap FreeBSD Intel box between the two filers doing copies over NFS will be faster (in fact, I'm pretty sure it will be). Does it get better if I have parallel NDMP sessions going? -- Brian Tao (BT300, taob(a)risc.org) "Though this be madness, yet there is method in't"

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Netapp migrating
by Asbjørn Bjørkelund 09 Aug '02

09 Aug '02

Hello Toasters We are going to migrate a filer from a NT40 domain to a W2K AD native mode domain, and there is a trust between these 2 domain, and all the users are located on the W2K domain. On the filer we have lots of local groups, files and users working and we don't to want generate new acl's. We have been looking on the microsoft utility ADMT, is there anyone with experience using this utility, to migrate locale groups and machine account? Hilsen / Best Regards Asbjørn Bjørkelund

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Novell migration
by Tom Yergeau 08 Aug '02

08 Aug '02

Has anyone ever made the leap from NetWare to NetApp? If you'd be willing to tell me about the experience and if you're happy with the move, I'd appreciate it if you'd drop me a note. Thanks!

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Re: # of volumes
by Tom Yergeau 08 Aug '02

08 Aug '02

MessageSpares not only cross shelves they even cross FCAL adapters if you have shelves on different FCAL HBAs. A single volume would have to lose two disks simultaneously or two disks after the first rebult in order to lose data with only one spare. If it lost one disk, then shortly thereafter another disk, then having a second spare would not help as the first one would still be rebuilding and you'd lose the volume. If you lose one disk, rebuild, and lose another disk, you're still intact but in degraded mode and vulnerable. Having a second spare would be helpful. But the odds of losing two disks, the second one after the first one rebuilt but before NetApp got you a replacement 4 hrs or the next day, seems low. If you have two spares per filer like Sam mentioned, you're covered anyway since hot spares are global to the entire filer. Gosh this sounds convoluted! :-) MD ----- Original Message ----- From: Steve Evans To: Tom Yergeau Sent: Wednesday, August 07, 2002 4:35 PM Subject: RE: # of volumes Well if you have a 14 disk shelf, and two volumes, then each volume could have a disk fail on top of one more that the spare would cover. But yeah, if your doing a 1:13 ratio then it doesn't matter anyways because I don't believe spares can cross shelfs. Steve Evans Computing Services (619) 594-0653

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Netcache /serialnum-file
by Vibeke Ostensvik 08 Aug '02

08 Aug '02

Hi there, How do I fill in the system serial number at a netcache.I have a filer which I've installed to be a netcache C740, with version 5.3R1(testmachine), to register it with system serialnumber I used the same method as on a filer (wrfile serialnum a.s.o).But when I tell my customer to do the same it doesnt work (===== SYSCONFIG-A ===== NetApp Release 5.2.1R1D9: Sat May 4 04:52:20 PDT 2002 System ID: 0016800593 (xxxxx) slot 0: System Board (NetApp System Board V F6) Model Name: C720S Serial Number: 22222 Firmware release: 2.8_a2 Processors: 1 Memory Size: 512 MB - his autosupportmail still comes without systems-serialnumber(sysconfig -a and sysconfig -d , how come? Best regards Vibeke Østensvik

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FW: 382003 (fwd) - Snapshot issues
by Chris Blackmor 08 Aug '02

08 Aug '02

Below is the output of a snap list and an ls of a .snapshot directory. I placed this call because I have an RCS directory that the files are being repeatedly wiped out. We have searched for cron jobs and scripts that could be causing the problem but have found nothing. Tonight, while working with a user on the issue, we noted that it happened right around 8pm. Also noted was that it seemed to happen every 4 hours. This also coincides with my snap sched for that volume. I am wondering if any of you toasters out there have noted issues with snapshots like the list below OR (more importantly) issues with files under RCS control being wiped out around the time of a snapshot. NetApp is looking into the issue but has nothing for me at this time. Thanks for your time. C- PS... CHRISBTEST was a manual snapshot taken to see if it would blow away my data under RCS. ----- Forwarded message from "Petlock, Allen" <allen.petlock(a)netapp.com> ----- From: "Petlock, Allen" <allen.petlock(a)netapp.com> To: "'chris.blackmor(a)amd.com'" <chris.blackmor(a)amd.com> Subject: FW: 382003 Date: Wed, 7 Aug 2002 19:17:13 -0700 X-Mailer: Internet Mail Service (5.5.2650.21) -----Original Message----- From: Chris Blackmor [mailto:chris.blackmor@amd.com] Sent: Wednesday, August 07, 2002 7:19 PM To: apetlock(a)netapp.com Subject: RE: 382003 chrisb@chigger:/u/k7_d1/patterns/amdtest/RCS > ls -al .snapshot total 2760 drwxrwxrwx 11 root root 4096 Aug 7 21:15 . drwxrwxr-x 3 sharonb design 348160 Aug 7 21:14 .. drwxrwxr-x 2 sharonb design 348160 Aug 7 21:14 CHRISBTEST1 drwxrwxr-x 2 sharonb design 348160 Aug 7 20:00 hourly.0 drwxr-xr-x 2 root other 348160 Aug 7 13:09 hourly.1 ---------- 1 root root 0 Jul 23 2001 hourly.2 ---------- 1 root root 0 Jul 23 2001 hourly.3 ---------- 1 root root 0 Jul 23 2001 hourly.4 ---------- 1 root root 0 Jul 23 2001 hourly.5 ---------- 1 root root 0 Jul 23 2001 nightly.0 ---------- 1 root root 0 Jul 23 2001 nightly.1 chrisb@chigger:/u/k7_d1/patterns/amdtest/RCS > sr raffael snap list vol2 Volume vol2 working................................... %/used %/total date name ---------- ---------- ------------ -------- 0% ( 0%) 0% ( 0%) Aug 07 21:15 CHRISBTEST1 0% ( 0%) 0% ( 0%) Aug 07 20:00 hourly.0 0% ( 0%) 0% ( 0%) Aug 07 16:00 hourly.1 0% ( 0%) 0% ( 0%) Aug 07 12:00 hourly.2 0% ( 0%) 0% ( 0%) Aug 07 08:00 hourly.3 0% ( 0%) 0% ( 0%) Aug 07 00:00 nightly.0 0% ( 0%) 0% ( 0%) Aug 06 20:00 hourly.4 0% ( 0%) 0% ( 0%) Aug 06 16:00 hourly.5 2% ( 1%) 1% ( 1%) Aug 06 00:00 nightly.1 ----- End forwarded message ----- -- ----------------------------------------------------------------------------- * | * * Chris Blackmor _______ | Good judgment comes from * * Advanced Micro Devices \____ | | experience * * Phone: (512) 602-1608 /| | | | And a lot of that comes * * Fax: (512) 602-5155 | |___| | | from * * Email: chris.blackmor(a)amd.com |____/ \| | bad judgment! * * | Author Unknown* ----------------------------------------------------------------------------- * My comments are mine, and mine alone. * -----------------------------------------------------------------------------

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RE: # of volumes
by Sam Schorr 08 Aug '02

08 Aug '02

I should mention one other "annoying" behavior - when a disk drops from the filer, is not marked as "failed" and no autosupport is issued. So, you can have a missing disk that the filer will spare out, using whatever spare(s) you have provided. However, unless you monitor for this condition by comparing disks total counts to what should be there, its possible to have a failure, use your spare, not replace the spare and get a second failure. This condition does exist under 6.1R1 - it may be fixed in later ONTap revs. In this scenario, having 2 or more spares is very good indeed. -----Original Message----- From: Tom Yergeau [mailto:yergeau@yergeau.net] Sent: Wednesday, August 07, 2002 2:26 PM To: Steve Evans; toasters(a)mathworks.com Subject: Re: # of volumes Spares not only cross shelves they even cross FCAL adapters if you have shelves on different FCAL HBAs. A single volume would have to lose two disks simultaneously or two disks after the first rebult in order to lose data with only one spare. If it lost one disk, then shortly thereafter another disk, then having a second spare would not help as the first one would still be rebuilding and you'd lose the volume. If you lose one disk, rebuild, and lose another disk, you're still intact but in degraded mode and vulnerable. Having a second spare would be helpful. But the odds of losing two disks, the second one after the first one rebuilt but before NetApp got you a replacement 4 hrs or the next day, seems low. If you have two spares per filer like Sam mentioned, you're covered anyway since hot spares are global to the entire filer. Gosh this sounds convoluted! :-) MD ----- Original Message ----- From: Steve Evans <mailto:sevans@foundation.sdsu.edu> To: Tom Yergeau <mailto:yergeau@yergeau.net> Sent: Wednesday, August 07, 2002 4:35 PM Subject: RE: # of volumes Well if you have a 14 disk shelf, and two volumes, then each volume could have a disk fail on top of one more that the spare would cover. But yeah, if your doing a 1:13 ratio then it doesn't matter anyways because I don't believe spares can cross shelfs. Steve Evans Computing Services (619) 594-0653

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RE: Snapshot storage
by Muhlestein, Mark 08 Aug '02

08 Aug '02

At the moment the option is per-vfiler, which means if you are using MultiStore you can have different policies for each vfiler. Thanks again for the comments and suggestions. I am keeping track of them. Mark -----Original Message----- From: Piotr KUCHARSKI [mailto:chopin@sgh.waw.pl] Sent: Wednesday, August 07, 2002 5:44 PM To: toasters(a)mathworks.com Subject: Re: Snapshot storage On Thu, Aug 08, 2002 at 12:20:20AM +0200, Dirk Schmiedt wrote: > >At some point we plan to add support for NFS, and/or to add a way to > >manually force a folding scan on a directory, etc. If people are > >interested in this let me know so I can add your comments to the feature > >request. > How about moving this ff option from a system wide > range to a volume based option? Hey, don't shorten their vision, they wanted to do it per directory ;) (I'd like to have it per qtree) p.

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