Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-22 Thread Jason Edgecombe
Yes, we are running Solaris 9. Our Solaris footprint is shrinking, so there hasn't been much of a push to upgrade to Solaris 10. Our Linux footprint has been growing slowly, so it might make more sense to migrate to Linux. Jason Dale Ghent wrote: Note the you only need SUNWsan if you're run

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-20 Thread Dale Ghent
Note the you only need SUNWsan if you're running Solaris < 10. Why one would run Solaris < 10 these days is beyond me, but... /dale On Mar 20, 2008, at 3:40 PM, Kim Kimball wrote: Thanks, Jason. Is the hardware the same as what you tested last year? Kim Jason Edgecombe wrote: Is this w

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-20 Thread Jason Edgecombe
Yes. We only have one fibre channel HBA and one fibre channel disk pack, a Sun StorEdge 3511 expansion tray with SATA disks. For what it's worth, we just tested 1.4.6 inode fileserver (nologging ufs) on an old-style direct-attached SCSI disk pack and saw similar sluggish vos performance to wha

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-20 Thread Kim Kimball
Thanks, Jason. Is the hardware the same as what you tested last year? Kim Jason Edgecombe wrote: Is this what you need? PKGINST: SUNWsan NAME: SAN Foundation Kit CATEGORY: system ARCH: sparc VERSION: 1.0 BASEDIR: / VENDOR: Sun Microsystems, Inc. DESC: This pa

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-19 Thread Jason Edgecombe
Is this what you need? PKGINST: SUNWsan NAME: SAN Foundation Kit CATEGORY: system ARCH: sparc VERSION: 1.0 BASEDIR: / VENDOR: Sun Microsystems, Inc. DESC: This package provides a support for the SAN Foundation Kit. PSTAMP: sanserve-a20031029172438 INSTDATE:

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-18 Thread Robert Banz
On Mar 18, 2008, at 7:01 AM, Kim Kimball wrote: Would this have affected clone operations as well? It seems it would. I'm pretty sure, yes. ___ OpenAFS-info mailing list OpenAFS-info@openafs.org https://lists.openafs.org/mailman/listinfo/openafs-i

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-18 Thread Kim Kimball
Would this have affected clone operations as well? It seems it would. Thanks. Kim Robert Banz wrote: AFS can't really cause "san issues" in that it's just another application using your filesystem. In some cases, it can be quite a heavy user of such, but since its only interacting throu

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-17 Thread Kim Kimball
Hi Jeff, Jeffrey Altman wrote: AFS is a very stressful application for a file system. If there are bugs in the SAN AFS would be more likely to find them than other applications. *grin* Try telling that to my management! I just sent an email calling AFS an excellent network and storage dia

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-17 Thread Kim Kimball
Thanks Russ. I expected as much when I saw your posting from 2005 in answer to a similar question. This is a great data point for me. Kim Russ Allbery wrote: Kim Kimball <[EMAIL PROTECTED]> writes: We're using Hitachi USP and Hitachi 9585 SAN devices, and have had a series of

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-17 Thread Kim Kimball
Hi Jason, Thanks! Can you tell me which flavor of SAN you're using? Kim Jason Edgecombe wrote: Robert Banz wrote: AFS can't really cause "san issues" in that it's just another application using your filesystem. In some cases, it can be quite a heavy user of such, but since its only int

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-17 Thread Kim Kimball
Thanks Rob! Robert Banz wrote: AFS can't really cause "san issues" in that it's just another application using your filesystem. In some cases, it can be quite a heavy user of such, but since its only interacting through the fs, its not going to know anything about your underlying storage f

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-17 Thread Christof Hanke
Kim Kimball wrote: SAN symptoms, for those interested I'm seeing SCSI command timeouts and UFS log timeouts (on vice partitions using the SAN for storage) on LUNS used for vicep's on the Hitachi USP, and was seeing them also on the 9585 until a recent configuration change. At first I though

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-13 Thread Jeffrey Altman
Kim Kimball wrote: We're using Hitachi USP and Hitachi 9585 SAN devices, and have had a series of incidents that, after two years of success, significantly affected AFS reliability for a period of six months. From the perspective of a SAN based file system, AFS is just a client application.

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-13 Thread Russ Allbery
Kim Kimball <[EMAIL PROTECTED]> writes: > We're using Hitachi USP and Hitachi 9585 SAN devices, and have had a > series of incidents that, after two years of success, significantly > affected AFS reliability for a period of six months. > > I'm wondering if anyone else has had any issues using SANs

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-13 Thread Jason Edgecombe
Robert Banz wrote: AFS can't really cause "san issues" in that it's just another application using your filesystem. In some cases, it can be quite a heavy user of such, but since its only interacting through the fs, its not going to know anything about your underlying storage fabric, or ha

Re: [OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-13 Thread Robert Banz
AFS can't really cause "san issues" in that it's just another application using your filesystem. In some cases, it can be quite a heavy user of such, but since its only interacting through the fs, its not going to know anything about your underlying storage fabric, or have any way of ta

[OpenAFS] AFS namei file servers, SAN, any issues elsewhere? We've had some. Can AFS _cause_ SAN issues?

2008-03-13 Thread Kim Kimball
We're using Hitachi USP and Hitachi 9585 SAN devices, and have had a series of incidents that, after two years of success, significantly affected AFS reliability for a period of six months. I'm wondering if anyone else has had any issues using SANs for vice partitions. Also, to make a long s