Re: [zfs-discuss] Is ZFS file system supports short writes ?

2007-02-17 Thread dudekula mastan
If a write call attempted to write X bytes of data, and if writecall writes only x ( hwere x X) bytes, then we call that write as short write. -Masthan Torrey McMahon [EMAIL PROTECTED] wrote: Robert Milkowski wrote: Hello dudekula, Thursday, February 15, 2007, 11:08:26 AM, you

[zfs-discuss] ZFS with SAN Disks and mutipathing

2007-02-17 Thread Vikash Gupta
Hi, I just deploy the ZFS on an SAN attach disk array and it's working fine. How do i get dual pathing advantage of the disk ( like DMP in Veritas). Can someone point to correct doc and setup. Thanks in Advance. Rgds Vikash Gupta This message posted from opensolaris.org

Re: [zfs-discuss] ZFS with SAN Disks and mutipathing

2007-02-17 Thread Louwtjie Burger
http://docs.sun.com/source/819-0139/index.html On 2/17/07, Vikash Gupta [EMAIL PROTECTED] wrote: Hi, I just deploy the ZFS on an SAN attach disk array and it's working fine. How do i get dual pathing advantage of the disk ( like DMP in Veritas). Can someone point to correct doc and setup.

[zfs-discuss] Zfs best practice for 2U SATA iSCSI NAS

2007-02-17 Thread Nicholas Lee
Is there a best practice guide for using zfs as a basic rackable small storage solution? I'm considering zfs with a 2U 12 disk Xeon based server system vs something like a second hand FAS250. Target enviroment is mixature of Xen or VI hosts via iSCSI and nfs/cifs. Being able to take snapshots

Re: [zfs-discuss] Zfs best practice for 2U SATA iSCSI NAS

2007-02-17 Thread Jason J. W. Williams
Hi Nicholas, ZFS itself is very stable and very effective as fast FS in our experience. If you browse the archives of the list you'll see that NFS performance is pretty acceptable, with some performance/RAM quirks around small files: http://www.opensolaris.org/jive/message.jspa?threadID=19858

[zfs-discuss] Google paper on disk reliability

2007-02-17 Thread Akhilesh Mritunjai
Hi Folks I believe that the word would have gone around already, Google engineers have published a paper on disk reliability. It might supplement the ZFS FMA integration and well - all the numerous debates on spares etc etc over here. To quote /. The Google engineers just published a paper on

[zfs-discuss] Re: ZFS with SAN Disks and mutipathing

2007-02-17 Thread JS
I'm using ZFS on both EMC and Pillar arrays with PowerPath and MPxIO, respectively. Both work fine - the only caveat is to drop your sd_queue to around 20 or so, otherwise you can run into an ugly display of bus resets. This message posted from opensolaris.org