Re: [zfs-discuss] Re: Re: ZFS vs NFS vs array caches, revisited

2007-02-13 Thread Roch - PAE
The only obvious thing would be if the exported ZFS filesystems where initially mounted at a point in time when zil_disable was non-null. The stack trace that is relevant is: sd_send_scsi_SYNCHRONIZE_CACHE sd`sdioctl+0x1770 zfs`vdev_d

Re: [zfs-discuss] Re: Re: ZFS vs NFS vs array caches, revisited

2007-02-12 Thread Marion Hakanson
[EMAIL PROTECTED] said: > [b]How the ZFS striped on 7 slices of FC-SATA LUN via NFS worked [u]146 times > faster[/u] than the ZFS on 1 slice of the same LUN via NFS???[/b] Well, I do have more info to share on this issue, though how it worked faster in that test still remains a mystery. Folks ma

Re: [zfs-discuss] Re: Re: ZFS vs NFS vs array caches, revisited

2007-02-11 Thread Robert Milkowski
Hello Leon, Sunday, February 11, 2007, 5:53:48 PM, you wrote: LK> Jeff, LK> thank you for the explanation but it's hard to me to accept it because: LK> 1.You described a different configuration: 7 LUNs. Marion post LK> was about 7 slices of the same LUN. LK> 2.I never saw the storage controller

[zfs-discuss] Re: Re: ZFS vs NFS vs array caches, revisited

2007-02-11 Thread Leon Koll
Jeff, thank you for the explanation but it's hard to me to accept it because: 1.You described a different configuration: 7 LUNs. Marion post was about 7 slices of the same LUN. 2.I never saw the storage controller with cache-per-LUN setting. Cache size doesn't depend on number of LUNs IMHO, it'