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RE: Max number of CIFS shares?
by Sam Schorr 18 Apr '02

18 Apr '02

From the System Administrator guide, pg 235 (of ONTap 6.1): For the F8xx model: CIFS limits by filer memory 3 GB Maximum number of users 48,000 Maximum number of shares 96,000 Maximum number of open files 960,000 Maximum number of locked files 1,058,304 -----Original Message----- From: Carl R. Friend [mailto:cfriend@mathworks.com] Sent: Thursday, April 18, 2002 11:56 AM To: toasters(a)mathworks.com Subject: Max number of CIFS shares? Greetings, Does anybody here have any evidence, anecdotal or otherwise, as to the maximum number of CIFS shares one may have configured on an F840c, and what the performance impact of large numbers (>400) of shares might be? Any ideas are welcome; there doesn't seem to be much in the way of doco on the matter. Thanks in advance. +----------------------------------------------+-----------------------+ | Carl Richard Friend (UNIX Sysadmin) | The MathWorks | | Minicomputer Collector / Enthusiast | Natick, Massachusetts | | mailto:carl_friend@mathworks.com +-----------------------+ | http://www.ultranet.com/~crfriend/museum/ | ICBM: 42:18N 71:21W | +----------------------------------------------+-----------------------+

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Max number of CIFS shares?
by Carl R. Friend 18 Apr '02

18 Apr '02

Greetings, Does anybody here have any evidence, anecdotal or otherwise, as to the maximum number of CIFS shares one may have configured on an F840c, and what the performance impact of large numbers (>400) of shares might be? Any ideas are welcome; there doesn't seem to be much in the way of doco on the matter. Thanks in advance. +----------------------------------------------+-----------------------+ | Carl Richard Friend (UNIX Sysadmin) | The MathWorks | | Minicomputer Collector / Enthusiast | Natick, Massachusetts | | mailto:carl_friend@mathworks.com +-----------------------+ | http://www.ultranet.com/~crfriend/museum/ | ICBM: 42:18N 71:21W | +----------------------------------------------+-----------------------+

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RE: Dead Disk Shelf for One of The Clustered Filer
by Art Hebert 18 Apr '02

18 Apr '02

Nic -- I've never had it happen, if you are really worried you can buy a spares kit. Contact your sales rep. :-) art -----Original Message----- From: Nicholas Chua [mailto:nicholas_chuah@yahoo.com] Sent: Wednesday, April 17, 2002 10:36 PM To: toasters(a)mathworks.com Subject: Dead Disk Shelf for One of The Clustered Filer Hi, Is it possible for the disk shelf to completely fail? By this I don't mean the power supply or fans because those are redundant and replacable. I thinking more of a board/ic failure or maybe shelf firmware bug that can completely knock out a disk shelf. If there is a remote possibility of this happening, then I figure the partner would not be able to take over the failed filer through channel B as well under a cluster environment. Am I being too paranoid? I'm looking for something like the Mean Time Between Failure (MTBF) for the Disk Shelf if available, be it FC9 or DS14. Any input would be greatly appreciated. Nic __________________________________________________ Do You Yahoo!? Yahoo! Tax Center - online filing with TurboTax http://taxes.yahoo.com/

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Re: Fscked permissions
by Jose Celestino 18 Apr '02

18 Apr '02

Words by Ronaldo Pagani Yamashita [Thu, Apr 18, 2002 at 02:20:30PM -0300]: > Maybe Qtree security. > Yep, you're right: FILER2> qtree security Volume Tree Style Oplocks -------- -------- ----- -------- tmplogs ntfs enabled vol0 ntfs enabled FILER2> qtree security /vol/vol0/ mixed Thu Apr 18 18:30:53 WES [FILER2: rc:notice]: security style for /vol/vol0/ changed from ntfs to mixed FILER2> qtree security /vol/tmplogs/ mixed Thu Apr 18 18:31:15 WES [FILER2: rc:notice]: security style for /vol/tmplogs/ changed from ntfs to mixed With this I am now able to change the permissions: # chmod 755 etc # ls -al | grep etc drwxr-xr-x 15 root root 28672 Apr 18 18:16 etc But do I have to do this by hand? Do the remaining permission stay fscked until I manualy fixe them? > -----Original Message----- > From: owner-toasters(a)mathworks.com > [mailto:owner-toasters@mathworks.com]On Behalf Of Jose Celestino > Sent: quinta-feira, 18 de abril de 2002 14:10 > To: toasters(a)mathworks.com > Subject: Fscked permissions > > > I see to have fscked the /vol/vol0/etc dir: > > admin:/mnt/filer-2/vol0# ls -la | grep etc > d--------- 15 root root 28672 Apr 18 18:04 etc > admin:/mnt/filer-2/vol0# chmod 755 etc > chmod: changing permissions of `etc': Operation not permitted > admin:/mnt/filer-2/vol0# > > Moreover I am unable to change the permissions of any file/dir (through > NFS). > > What can be the problem? > > -- > Jose Celestino <japc(a)co.sapo.pt> SAPO.pt::Systems http://www.sapo.pt > --------------------------------------------------------------------- > Titanic 1912 / Hindenburg Zeppelin 1937 / Microsoft Windows 2000 > Linux morgoth.sl.pt 2.4.18-pre9 #5 Wed Feb 20 23:47:45 WET 2002 i686 unknown -- Jose Celestino <japc(a)co.sapo.pt> SAPO.pt::Systems http://www.sapo.pt --------------------------------------------------------------------- Titanic 1912 / Hindenburg Zeppelin 1937 / Microsoft Windows 2000 Linux morgoth.sl.pt 2.4.18-pre9 #5 Wed Feb 20 23:47:45 WET 2002 i686 unknown

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Fscked permissions
by Jose Celestino 18 Apr '02

18 Apr '02

I see to have fscked the /vol/vol0/etc dir: admin:/mnt/filer-2/vol0# ls -la | grep etc d--------- 15 root root 28672 Apr 18 18:04 etc admin:/mnt/filer-2/vol0# chmod 755 etc chmod: changing permissions of `etc': Operation not permitted admin:/mnt/filer-2/vol0# Moreover I am unable to change the permissions of any file/dir (through NFS). What can be the problem? -- Jose Celestino <japc(a)co.sapo.pt> SAPO.pt::Systems http://www.sapo.pt --------------------------------------------------------------------- Titanic 1912 / Hindenburg Zeppelin 1937 / Microsoft Windows 2000 Linux morgoth.sl.pt 2.4.18-pre9 #5 Wed Feb 20 23:47:45 WET 2002 i686 unknown

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Replication across Domains!!
by Pramod 18 Apr '02

18 Apr '02

Hi All, I have two filers replicating data. The two filers are in different domains. Now if one of my site goes down( along with the PDC and BDCs of that domain), how will I be able to access the data of the mirrored volume on the remote site after breaking the mirror....... as the files will have permmissions of a different NT Domain. I cannot create NT 'Trust' or have a BDC of each domain on the remote site. Is there anyother way of doing this. Can I reset all the permissions on the mirrored volume in the remote site in case of a 'site outage', so that I can access the data there. Thanks Pramod

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Using ADSM/TSM to backup filers
by Mark Allen 18 Apr '02

18 Apr '02

Is anyone using ADSM/TSM to backup there filers? If so, how are you doing it and what version of TSM are you running. I'm evaluating a filer and I'm looking for different ways to backup the filers using ADSM down to the file level. -Mark

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RE: rescan SCSI bus?
by Drew O'Donnell 18 Apr '02

18 Apr '02

You are correct, this will only work if the DLT drive is located in the fcal loop, which is not likely unless John is using an SCSI/FCAL bridge. We are using NDMP fiber channel backup, and had problems reconnecting without rebooting the filer. D -----Original Message----- From: Hannes Herret - Bacher Systems EDV GmbH [mailto:hh@bacher.at] Sent: Thursday, April 18, 2002 9:06 AM To: Drew O'Donnell Cc: 'jwitham(a)takedapharm.com'; toasters(a)mathworks.com Subject: Re: rescan SCSI bus? are u sure ?? i thought is just working w/ fc-adapters ?! resetting an fc-adapter w/ connected tapedrives over an fc-switch is working fine, after eg. tapedrive replacement. bye hannes Drew O'Donnell wrote: The following command successfully reinitialized the adapter to talk to our tape library without bouncing the filer. toaster>priv set advanced toaster>fcadmin reset_adapter "adapter#" toaster>priv set admin Drew -----Original Message----- From: jwitham(a)takedapharm.com <mailto:jwitham@takedapharm.com> [ mailto:jwitham@takedapharm.com <mailto:jwitham@takedapharm.com> ] Sent: Thursday, April 18, 2002 7:14 AM To: toasters(a)mathworks.com <mailto:toasters@mathworks.com> Subject: rescan SCSI bus? Hi Toasters: Is it possible to rescan the SCSI bus on an F760 without rolling the filer? We just direct-attached some DLT7000 drives and don't want to suffer an outage to make them work. (hundreds of CIFS connections... Oracle, Exchange, homedirs oh my!) Thx, -john This message is for the designated recipient only and may contain privileged or confidential information. If you have received it in error, please notify the sender immediately and delete the original. Any other use of the email by you is prohibited. -- ------------------------------------------------------------------- Hannes Herret IT-Service / Storage phone : +43 (1) 60 126-34 Bacher Systems EDV GmbH fax : +43 (1) 60 126-4 Wienerbergstr. 11B mailto:hh@bacher.at <mailto:hh@bacher.at> A-1101 Wien, Austria www : http://www.bacher.at/ <http://www.bacher.at/> Europe

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re: dead disk shelf
by Don Cunningham 18 Apr '02

18 Apr '02

> " > Is it possible for the disk shelf to completely fail? > > " > > This is EXTREMELY far fetced...... but even if it somehow did, yoiu're > data is still valid. In a large TB area, using multiple shelves, select > a drive from each shelf as part of the RAID group... basically, your > RAID groups are 'vertical'... and this eliminates single points of > failure.. Not as farfetched as you might think. It happened to us within the past couple years. I don't remember the details, but we had to bypass the failed shelf to even get the filer back up. _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ Don Cunningham - UNIX SysAdmin _/ Progress Software Corp. _/ _/ don.cunningham(a)progress.com _/ 14 Oak Park _/ _/ (781)280-4252 _/ Bedford, MA 01730-1485 _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ "Wherever beer is brewed, all is well - whenever beer is _/ _/ drunk, life is good." -Czech proverb _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/

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RE: rescan SCSI bus?
by Drew O'Donnell 18 Apr '02

18 Apr '02

The following command successfully reinitialized the adapter to talk to our tape library without bouncing the filer. toaster>priv set advanced toaster>fcadmin reset_adapter "adapter#" toaster>priv set admin Drew -----Original Message----- From: jwitham(a)takedapharm.com [mailto:jwitham@takedapharm.com] Sent: Thursday, April 18, 2002 7:14 AM To: toasters(a)mathworks.com Subject: rescan SCSI bus? Hi Toasters: Is it possible to rescan the SCSI bus on an F760 without rolling the filer? We just direct-attached some DLT7000 drives and don't want to suffer an outage to make them work. (hundreds of CIFS connections... Oracle, Exchange, homedirs oh my!) Thx, -john This message is for the designated recipient only and may contain privileged or confidential information. If you have received it in error, please notify the sender immediately and delete the original. Any other use of the email by you is prohibited.

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