toasters

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13514 discussions

Re: Multiple cifs.homedir paths (Was: RE: Optimal volume size)
by pharrigan＠usgs.gov 05 Oct '00

05 Oct '00

You are thinking of DFS (Distributed File System) available with NT 4.0 server. We use automount extensively and I find DFS very similar in design and function. We use DFS in production "with good success" according to the "NT camp". Darrell Fuhriman <darrell@grumblesm To: toasters(a)mathworks.com urf.net> cc: Sent by: Subject: Re: Multiple cifs.homedir paths (Was: RE: Optimal volume owner-toasters@mat size) hworks.com 09/29/00 12:57 PM All this cifs homedir talk has got me thinking. I recall that there was a Microsoft made product which was essentially an automounter for NT. Does anyone know the name of the product in question, and have any experience with it? I would love to be able to point users at one location, and have them find the right toaster. Darrell

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NDMPcopy for Solaris 7
by Premanshu Jain 05 Oct '00

05 Oct '00

Guys... I am finding it hard to compile ndmpcopy on a Solaris 7 box. here is the errormessage while I run a make. Your inputs welcome..Does anybody have a compiled copy of ndmpcopyfor Solaris 7..? Thanks, Prem 408 565 3573 _________________________________________________________________ #pwd /opt/ndmp/ndmpcopy # make for i in lib src; do make -C $i all || exit 1; done make[1]: Entering directory `/opt/ndmp/ndmpcopy/lib' rpcgen -C -h -o ndmp.h ndmp.x gcc -g -Wall -W -Wstrict-prototypes -c log.c -o log.o gcc -g -Wall -W -Wstrict-prototypes -c comm.c -o comm.o rpcgen -c -o ndmp_xdr.c ndmp.x gcc -c -g ndmp_xdr.c ar rv libndmp.a log.o comm.o ndmp_xdr.o a - log.o a - comm.o a - ndmp_xdr.o ar: creating libndmp.a ar: writing libndmp.a make[1]: Leaving directory `/opt/ndmp/ndmpcopy/lib' make[1]: Entering directory `/opt/ndmp/ndmpcopy/src' gcc -ansi -O -Wall -g -I../lib -DDEBUG -c main.c gcc -ansi -O -Wall -g -I../lib -DDEBUG -c dump.c dump.c: In function `ndmp_restore': dump.c:269: incompatible type for argument 1 of `longLongToQuad' make[1]: *** [dump.o] Error 1 make[1]: Leaving directory `/opt/ndmp/ndmpcopy/src' make: *** [all] Error 1

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quota report tools
by Manny Kaiser 05 Oct '00

05 Oct '00

Hi, Has anyone developed any tools that use the quota report command as input. I am interested in any gui/web/excel macro/etc that can be used for several puposes: - capacity planning and disk usage trends - user/manager view of quota usage - adminsitrator alarm of quota limits reached Thanks Manny

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RE: Optimal volume size
by Clarke, John L. (CIS) 04 Oct '00

04 Oct '00

We have a similar situation on our F740. We want to keep the volume size small because: a) Restores can take forever as the data size gets bigger. b) 10-14 disks is a good compromise on reliability. Having 2 out of 14 disks go bad at one time is much rarer than 2 out of 51 disks. c) If you upgrade disks/shelves in the future, you will likely do it a volume at a time. We did this with a volume with 180GB and the volcopy took 6-7 hours to complete. It is NOT very fast. With 400GB+ in a volume, that should be 2-2.5x longer. John -----Original Message----- From: Moshe Linzer [mailto:Moshel.Linzer@nsc.com] Sent: Monday, September 18, 2000 4:31 PM To: toasters(a)mathworks.com Subject: Optimal volume size We are moving from a 630 with a single 350GB volume (51x9GB SCSI) to a new 760 with 14 36GB disks. Our Netapp support recommends creating a 14-disk raid group, with a single raid group per volume (giving us a maximum volume size of around 400GB). I understand why 14 disks is a good number for a raid group (balance chances of disk failure vs efficient use of disks), but what is the reasoning behind keeping volume size down to around 400GB? Is it just dependant on restore time from tape? In which case, as faster tapes become available (LTO?), this number should increase. Does it also lessen chances of file system corruption on the volume, or is it just a warm fuzzy feeling that all your eggs (so to speak) are not sitting in one 1.2 terabyte volume? If my max volume size will remain the single raid group, I would like to divide my data into 2 smaller volumes from the start, so I don't start off with a maxed-out volume. This means using a time-consuming ndmpcopy or rsync process to move the data, instead of the faster volcopy or snapmirror. Thanks for your insights. Moshe

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unix Opnet licenses
by Frank Gilmurray 04 Oct '00

04 Oct '00

Does anyone out there run a unix Opnet license server on their filer? The Opnet licenses know where they're installed and if you restore a disk, they will no longer work (because now they're in a different place). I don't know of Opnet uses the inode number to do this or what. Thanks, Frank -- Frank Gilmurray Sr Systems Administrator SRI International tel: (650) 859-3246 333 Ravenswood Avenue fax: (650) 859-4812 Menlo Park, CA 94025 email: frank(a)erg.sri.com

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AW: quota report tools
by Ulrich Neumann 04 Oct '00

04 Oct '00

if you're a nt-man ... try srm from highground software. http://www.highground.com/PRODUCTS/netapp_ed.htm they are developing in conjunction with netapp a special version for filer(s). works on nt with iis. we will eval this with fileprospector in near future ... newmy -----Ursprüngliche Nachricht----- Von: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com]Im Auftrag von Manny Kaiser Gesendet: Mittwoch, 4. Oktober 2000 14:49 An: toasters(a)mathworks.com Betreff: quota report tools Hi, Has anyone developed any tools that use the quota report command as input. I am interested in any gui/web/excel macro/etc that can be used for several puposes: - capacity planning and disk usage trends - user/manager view of quota usage - adminsitrator alarm of quota limits reached Thanks Manny

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RE: quota report tools
by Joe Luchtenberg 04 Oct '00

04 Oct '00

Did you check the Tools and Utilities page on NOW? Joe http://now.netapp.com/NOW/tools/ Joe Luchtenberg Dataline, Inc. New number and email, please update: 757.858.0600 858.0606 fax joe.luchtenberg(a)data-line.com > -----Original Message----- > From: Manny Kaiser [SMTP:mkaiser@mmcnet.com] > Sent: Wednesday, October 04, 2000 8:49 AM > To: toasters(a)mathworks.com > Subject: quota report tools > > Hi, > > Has anyone developed any tools that use the quota report command as > input. > I am interested in any gui/web/excel macro/etc that can be used for > several puposes: > - capacity planning and disk usage trends > - user/manager view of quota usage > - adminsitrator alarm of quota limits reached > > Thanks > > Manny

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RE: Netapp vs Compaq TaskSmart
by Joe Luchtenberg 03 Oct '00

03 Oct '00

Thanks for the clarification. Yes, the Compaq box does use NTFS, so their rapid reboot capability should be comparable. Joe Joe Luchtenberg Dataline, Inc. New number and email, please update: 757.858.0600 858.0606 fax joe.luchtenberg(a)data-line.com > -----Original Message----- > From: Guy Harris [SMTP:guy@netapp.com] > Sent: Tuesday, October 03, 2000 4:00 AM > To: Joe Luchtenberg > Cc: 'Langborg Tom'; 'toasters(a)mathworks.com' > Subject: Re: Netapp vs Compaq TaskSmart > > > Reboot time: Compaq claims a Rapid Reboot functionality; since they > > basically run a tuned Windows 2000 OS (as opposed to NetApp's > > built-from-the-ground-up single purpose microkernal OS), I'm curious how > the > > get around fsck > > If they're running W2K, they're probably using NTFS, which is a > journaling file system and shouldn't require a file system check after > most crashes. > > NT 4.0, and presumably NT 5.0^H^H^H^H^H^HW2K, does have a file system > checker for NTFS - the NT partition on my home machine ran it after one > reboot, and it found a couple of problems and fixed them - but it's > presumably used only if there's some reason to expect file system > damage; it's sort of like "wack" (or its new politically-correct name in > 6.0, "WAFL_check"), or, I suspect, the checker on other journaling file > systems, in that regard. Most of the time, at least on my home NT > partition, either it doesn't run, or when it runs it decides no repair > is needed.

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RE: Netapp vs Compaq TaskSmart
by Joe Luchtenberg 03 Oct '00

03 Oct '00

Regarding the items you indicated are important to you: Multiprotocol NFS/CIFS: both Compaq and NetApp serve data to both NFS and CIFS clients Capacity: Compaq currently scales to 1TB raw capacity (that is approx. 800GB usable, accounting for parity disks, hot spare and minimal SnapShot overhead); that is less than 1/4 of current NetApp single head unit capacity; however, Compaq does use 1" 18GB disks (granted they are SCSI), so with 14 per shelf you do get some density gains with less overhead in the same physical space (i.e. 18GB parity and hot spare overhead vs. 36GB each for NetApp) Uptime: Compaq's N2400 is a first-generation product with a limited track record, therefore difficult to predict; NetApp has maintained documented 99.99x% availability Reboot time: Compaq claims a Rapid Reboot functionality; since they basically run a tuned Windows 2000 OS (as opposed to NetApp's built-from-the-ground-up single purpose microkernal OS), I'm curious how the get around fsck and what, if any, penalty is incurred SnapShot mirror: this is really two issues 1. Snapshots: Compaq integrates their SANworks Virtual Replicator (SWVR) software in the N2400; this provides a different implementation of snapshots from NetApp; basically, once a snapshot has been taken of a volume, the next time any data block in that volume is changed the SWVR delays the write until a copy is made of the original data (subsequent changes continue with no delay); obviously, you take a write performance hit 2. Mirroring: I'm not entirely sure, but I'm not aware of an asynchronous remote mirroring product from Compaq SANworks; their Data Replication Manager supports mirroring across a long-wave FC connection (up to 100 km if implemented correctly), but this is very different from the capability to replicate across the WAN, while minimizing impact on bandwidth as with NetApp's SnapMirror Other items to consider: - Compaq's implementation uses RAID 5; this is an issue when it comes to volume expansion; the SWVR software allows online expansion by creating new RAID groups and concatenating them to existing storage "pools," in which case you use the additional disk space only once you've filled the original volume (no gain in spindle density); to expand an existing RAID set, you have to reformat, rebuild and restore from tape; RAID 4 is much more administrator-friendly. - If you have a Compaq SAN, then future upgrades to the Compaq NAS line will allow you to connect to the SAN (for centralized backup without clogging up the production network, for example) FWIW, pricing is roughly comparable b/w Compaq's N2400 and an F740 (Compaq may be a touch cheaper). If you add in things like SnapMirror or SnapManager for Exchange, then NetApp gets a lot more expensive, but then you can't get equivalent functionality of those products in a Compaq solution. HTH. Joe Joe Luchtenberg Dataline, Inc. New number and email, please update: 757.858.0600 858.0606 fax joe.luchtenberg(a)data-line.com > -----Original Message----- > From: Langborg Tom [SMTP:Tom.Langborg@smhi.se] > Sent: Monday, October 02, 2000 9:58 AM > To: 'toasters(a)mathworks.com' > Subject: Netapp vs Compaq TaskSmart > > Hi > I am a old netapp admin. > I am wonder if there is someone how can help me > with argument to choice netapp instead off compaqs tasksmart server. > From my point it looks that the tasksmart version 2.0 witch should come > next > year should work well. > We should have this server to access both nfs and cifs. > Most off the client are pc but the major files traffics are in nfs. > The volumes are for start 500gb to over 1 Tb next year. > What about > uptime? > reboot time? > snapshot mirror? > > > /Tom Langborg >

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deleting snapshot directories
by Leigh David Heyman 03 Oct '00

03 Oct '00

Does anyone know how (if), you can prevent a deleted directory from getting "snapshotted"? We are going to be moving a 30G directory off of one of our filers, and we'd like the space actually freed. but when the nightly snapshot happens, that 30G is just going to end up in the snapshot taking up the same amount of space. I'd rather not have to start deleting snapshots wholesale (i.e. snap delete nightly.6) because I don't want to lose the snapshot data from the other directories in the volume. Is it possible to just delete the snapshots of this specific directory withing the volume without deleting the snapshots for the whole volume? Thanks, -Leigh ===================================================================== Leigh Heyman, GCIA Artificial Intelligence Lab Systems Administrator Massachusetts Institute of Technology leigh(a)ai.mit.edu 617-253-1729

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toasters