Torrey, now this impressive as the old days with Sun Storage. Ok, ZFS PiT is only a software solution. The Windows VSS is not only a software solution, but also a 3rd party integration standard from MS. What's your comment on ZFS PiT is better than MS PiT, in light of openness and 3rd-party integration???
Talking about garbage! z ----- Original Message ----- From: "Torrey McMahon" <[EMAIL PROTECTED]> To: "Richard Elling" <[EMAIL PROTECTED]> Cc: "Joseph Zhou" <[EMAIL PROTECTED]>; "William D. Hathaway" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; <zfs-discuss@opensolaris.org>; <[EMAIL PROTECTED]> Sent: Sunday, December 07, 2008 1:58 AM Subject: Re: [zfs-discuss] Hardware Raid Vs ZFS implementation on Sun X4150/X4450 > Richard Elling wrote: >> Joseph Zhou wrote: >> >>> Yeah? >>> http://www.adaptec.com/en-US/products/Controllers/Hardware/sas/value/SAS-31605/_details/Series3_FAQs.htm >>> Snapshot is a big deal? >>> >> >> Snapshot is a big deal, but you will find most "hardware" RAID >> implementations >> are somewhat limited, as the above adaptec only supports 4 snapshots and >> it is an >> optional feature. You will find many array vendors will be happy to >> charge lots >> of money for the snapshot feature. > > On top of that since the ZFS snapshot is at the file system level it's > much easier to use. You don't have to quiesce the file system first or > hope that when you take the snapshot you get a consistent data set. I've > seen plenty of folks take hw raid snapshots without locking the file > system first, let alone quiescing the app, and getting garbage. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
