Comments on: ZFS On Mac: Now All-But-Official Pt. II

By: the occasional blog

the occasional blog — Fri, 27 Jul 2007 02:00:10 +0000

ZFS in Leopard…

Is ZFS in Leopard ? Is ZFS a default OS in Leopard ?
Yes and No. (and Yes).
In the 9A466 build, which is the latest build available from Apple, a read-only implementation is provided.

sh-3.2# zpool
ZFS Readonly implemntation is loaded!
To download t…

By: It Souls Blog » IT Souls - AmberPoint Flex-ing SOA management muscles

It Souls Blog » IT Souls - AmberPoint Flex-ing SOA management muscles — Wed, 13 Jun 2007 06:55:58 +0000

[...] So is ZFS in or out? Cupertinologists are betting it’s in, but not as the default file system. HFS+ still rules. Again, Harris on StorageMojo: “I’ll stick to my prediction that Apple, as with HFS+, will put ZFS on OS X Server first before bringing it out later for the great unwashed.” But Harris does see one possibility for those “unwashed” users: ZFS would be a great fit for flash disks, the nonmechanical drives making their way into laptops. The big reasons for a no-go on ZFS seem to focus on effort required versus time available, Apple’s penchant for homegrown core technologies rather than slapping someone else’s in place, and Time Machine’s actual mechanics. On the latter, the best analysis remains Siracusa’s from August 2006. With Apple, however, there’s always a caveat. Maybe this is one of the Leopard pieces that Jobs wouldn’t divulge last year for fear “… our friends in Redmond [will] start their photocopiers.” And though it may be a coincidence, a revised Apple patent application was made public last month that could play to ZFS. This application specs out in-place file system conversion — it uses the example of converting Microsoft’s FAT32 file system (the default in older editions of Windows) to Apple’s HFS+ — so users wouldn’t have to wipe and reinstall to switch. One interesting line in the application: “In general, any file-system used to organize and store files can be converted based on the location of the files(s), which is typically readily obtainable from the original file-system.” HFS+ to ZFS, anyone? [...]

By: SAN Admins: Please Give Me As Much Capacity From As Few Spindles As Possible! « Kevin Closson’s Oracle Blog: Platform, Storage & Clustering Topics Related to Oracle Databases

Sun, 10 Jun 2007 17:30:40 +0000

[...] SAN Admins: Please Give Me As Much Capacity From As Few Spindles As Possible! Published June 10th, 2007 NAND Flash SSD , Jim Grey , I/O Topics , Oracle I/O Performance , oracle I was catching up on my mojo reading when I caught a little snippet I’d like to blog about. Oh, by the way, have I mentioned recently that StorageMojo is one of my favorite blogs? [...]

By: PCNiche » Is ZFS Apple's secret weapon?

PCNiche » Is ZFS Apple's secret weapon? — Sat, 09 Jun 2007 01:24:19 +0000

[...] So is ZFS in or out? Cupertinologists are betting it's in, but not as the default file system. HFS+ still rules. Again, Harris on StorageMojo: “I'll stick to my prediction that Apple, as with HFS+, will put ZFS on OS X Server first before bringing it out later for the great unwashed.” But Harris does see one possibility for those “unwashed” users: ZFS would be a great fit for flash disks, the nonmechanical drives making their way into laptops. The big reasons for a no-go on ZFS seem to focus on effort required versus time available, Apple's penchant for homegrown core technologies rather than slapping someone else's in place, and Time Machine's actual mechanics. On the latter, the best analysis remains Siracusa's from August 2006. With Apple, however, there's always a caveat. Maybe this is one of the Leopard pieces that Jobs wouldn't divulge last year for fear “… our friends in Redmond [will] start their photocopiers.” And though it may be a coincidence, a revised Apple patent application was made public last month that could play to ZFS. This application specs out in-place file system conversion — it uses the example of converting Microsoft's FAT32 file system (the default in older editions of Windows) to Apple's HFS+ — so users wouldn't have to wipe and reinstall to switch. One interesting line in the application: “In general, any file-system used to organize and store files can be converted based on the location of the files(s), which is typically readily obtainable from the original file-system.” HFS+ to ZFS, anyone? [...]

By: Sun CEO spills Apple Leopard secret - MTB - Technology Feed - All About Technology

Thu, 07 Jun 2007 14:41:52 +0000

[...] “I’ll stick to my prediction that Apple, as with HFS+, will put ZFS on OS X Server first before bringing it out later for the great unwashed,” said Robin Harris on his StorageMojo blog. [...]

By: Robin Harris

Robin Harris — Thu, 07 Jun 2007 02:19:23 +0000

Gregg,

I suspect we won’t learn more until Steve’s keynote, if then.

Han,

I’m told by a usually reliable source that the ZFS is not a disk utility option in recent builds.

We’ll see.

Robin

By: Han Solo

Han Solo — Thu, 07 Jun 2007 01:08:09 +0000

Screenshots have been seen of developer releases of OSX 10.5 that show ZFS in there already….so its been known for a while now that it was going to be in OSX.

See:
http://img187.imageshack.us/my.php?image=picture3mo9.png
http://www.thinksecret.com/archives/leopard9a321/source/picture-1.html

The question everyone has been wondering is if it will be THE FS, and actually be bootable or not. and apparently the answer is yes, it will replace HFS+ as the primary filesystem in OSX.

That does make OSX one notch cooler on the UNIXbased operating system list.

By: Gregg Keizer

Gregg Keizer — Thu, 07 Jun 2007 01:07:41 +0000

I don’t have any more info than what’s out there — I’m efforting clarification from Sun, pinging Apple (yeah, right) — but ran across this from Marc Hamilton, Sun’s director of technology for global education and research, on his company blog.

“Jonathan noted that Apple will announce this week that the ZFS file system from OpenSolaris will become Apple’s new default file system.”

See: http://blogs.sun.com/marchamilton/entry/sun_s_new_modular_blade