toasters August 2002

toasters@lists.teaparty.net

102 participants
113 discussions

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 10 Aug '02

10 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 10 Aug '02

10 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

2 1

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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toasters August 2002