[zfs-discuss] Send Receive (and why does 'ls' modify a snapshot?)

2009-02-04 Thread Tony Galway
I am trying to keep a file system (actually quite a few) in sync across two systems for DR purposes, but I am encountering something that I find strange. Maybe its not strange, and I just don't understand - but I will pose to you fine people to help answer my question. This is all scripted, but

Re: [zfs-discuss] Send Receive (and why does 'ls' modify a snapshot?)

2009-02-04 Thread Tony Galway
Thanks ... the -F works perfectly, and provides a further benefit in that the client can mess with the file system as much as they want for testing purposes, but when it comes time to ensure it is synchronized each night, it will revert back to the previous state. Thanks -Tony -- This message

[zfs-discuss] Zpool, RaidZ how it spreads its disk load?

2007-05-07 Thread Tony Galway
Greetings learned ZFS geeks guru’s, Yet another question comes from my continued ZFS performance testing. This has to do with zpool iostat, and the strangeness that I do see. I’ve created an eight (8) disk raidz pool from a Sun 3510 fibre array giving me a 465G volume. # zpool create tp raidz

RE: [zfs-discuss] Testing of UFS, VxFS and ZFS

2007-04-16 Thread Tony Galway
Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: April 16, 2007 2:16 PM To: [EMAIL PROTECTED] Subject: Re: [zfs-discuss] Testing of UFS, VxFS and ZFS Is the VxVM volume 8-wide? It is not clear from your creation commands. -- richard Tony Galway wrote: I had previously

[zfs-discuss] ZFS Performance compared to UFS VxFS

2006-08-22 Thread Tony Galway
A question (well lets make it 3 really) – Is vdbench a useful tool when testing file system performance of a ZFS file system? Secondly - is ZFS write performance really much worse than UFS or VxFS? and Third - what is a good benchmarking tool to test ZFS vs UFS vs VxFS? The reason I ask is