Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-10 Thread Al Hopper
On Mon, 9 Jul 2007, Albert Chin wrote: On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: It would also be nice for extra hardware (PCI-X, PCIe card) that added NVRAM storage to various sun low/mid-range servers that

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-10 Thread Albert Chin
On Tue, Jul 10, 2007 at 07:12:35AM -0500, Al Hopper wrote: On Mon, 9 Jul 2007, Albert Chin wrote: On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: It would also be nice for extra hardware (PCI-X, PCIe card) that

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-10 Thread Victor Latushkin
Albert Chin wrote: On Tue, Jul 10, 2007 at 07:12:35AM -0500, Al Hopper wrote: On Mon, 9 Jul 2007, Albert Chin wrote: On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: It would also be nice for extra hardware (PCI-X,

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-09 Thread Albert Chin
On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: It would also be nice for extra hardware (PCI-X, PCIe card) that added NVRAM storage to various sun low/mid-range servers that are currently acting as ZFS/NFS

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-08 Thread Torrey McMahon
Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-05 Thread Al Hopper
On Wed, 4 Jul 2007, Jure Pe�~Mar wrote: ... reformatted ... On Tue, 3 Jul 2007 10:26:20 -0500 Albert Chin [EMAIL PROTECTED] wrote: Or maybe someone knows of cheap SSD storage that could be used for the ZIL? If 4G is enough for you, take a look at Gigabyte iRam:

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-04 Thread Jure Pečar
On Tue, 3 Jul 2007 10:26:20 -0500 Albert Chin [EMAIL PROTECTED] wrote: Or maybe someone knows of cheap SSD storage that could be used for the ZIL? If 4G is enough for you, take a look at Gigabyte iRam: http://www.gigabyte.com.tw/Products/Storage/Products_Overview.aspx?ProductID=2180 Linux

[zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage. It would also be nice for extra hardware (PCI-X, PCIe card) that added

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Casper . Dik
PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage. It would also be nice for extra hardware (PCI-X, PCIe card) that added

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Richard Elling
Albert Chin wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Should be part of b68. Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage. It would also be nice

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
On Tue, Jul 03, 2007 at 05:31:00PM +0200, [EMAIL PROTECTED] wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
On Tue, Jul 03, 2007 at 09:01:50AM -0700, Richard Elling wrote: Albert Chin wrote: Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage. It would also be nice for extra hardware (PCI-X, PCIe card) that added NVRAM

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Casper . Dik
Good point. The speeds for the following don't seem very impressive: http://www.adtron.com/products/A25fb-SerialATAFlashDisk.html http://www.sandisk.com/OEM/ProductCatalog(1321)-SanDisk_SSD_SATA_5000_25.aspx The adton URL leaves out IOops altogether. Sandisks limit itself to read IOops

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Richard Elling
Albert Chin wrote: On Tue, Jul 03, 2007 at 09:01:50AM -0700, Richard Elling wrote: Albert Chin wrote: Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage. It would also be nice for extra hardware (PCI-X, PCIe card) that

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Adam Leventhal
Flash SSDs typically boast a huge number of _read_ IOPS (thousands), but very few write IOPS (tens). The write throughput numbers quoted are almost certainly for non-synchronous writes whose latency can easily be in the milisecond range. STEC makes an interesting device which offers fast

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
On Tue, Jul 03, 2007 at 10:31:28AM -0700, Richard Elling wrote: Albert Chin wrote: On Tue, Jul 03, 2007 at 09:01:50AM -0700, Richard Elling wrote: Albert Chin wrote: Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Bryan Cantrill
On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage. It

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Richard Elling
Adam Leventhal wrote: Flash SSDs typically boast a huge number of _read_ IOPS (thousands), but very few write IOPS (tens). The write throughput numbers quoted are almost certainly for non-synchronous writes whose latency can easily be in the milisecond range. STEC makes an interesting device

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Some of the Sun storage arrays contain NVRAM. It would be

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Bryan Cantrill
On Tue, Jul 03, 2007 at 01:10:25PM -0500, Albert Chin wrote: On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it?

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread David Magda
On Jul 3, 2007, at 11:26, Albert Chin wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? For those not in the know, PSARC 2007/171 is a separate intent log for ZFS: http://cz.opensolaris.org/os/community/arc/caselog/2007/171/