[zfs-discuss] ZIL performance on traditional HDDs

2008-11-20 Thread Danilo Poccia
Hi, I was wondering is there is a performance gain for an OLTP-like workload in putting the ZFS Intent Log (ZIL) on traditional HDDs. Moreover, I'd like to have a rough idea of relative performances for an OLTP workload with the same storage (e.g. an external storage with 12 x 300GB 15Krpm

[zfs-discuss] ZFS Boot on SAN

2008-10-02 Thread Danilo Poccia
Hi, are there any issue in ZFS boot using a pool with devices in a Storage Area Network (SAN)? I'm interested in both the SPARC and x86 platforms. Rgrds, Danilo. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

[zfs-discuss] ZFS boot with gzip-9 compression

2008-05-16 Thread Danilo Poccia
anymore ;-) Rgrds, Danilo. Danilo Poccia Senior Systems Engineer Sun Microsystems Italia S.p.A. Via G. Romagnosi, 4 Roma 00196 ITALY Phone +39 06 36708 022 Mobile +39 335 6983999 Fax +39 06 3221969 Email [EMAIL PROTECTED] Blog http://blogs.sun.com/danilop

Re: [zfs-discuss] ZFS boot with gzip-9 compression

2008-05-16 Thread Danilo Poccia
/onnv/onnv-gate/usr/src/grub/grub-0.95/stage2/fsys_zfs.c#65 BTW, using gzip-9 compression I got the whole OpenSolaris image in 815MB... The only issue is that it is not booting anymore ;-) Adding support for gzip may be a candidate for community project. Hth, Victor Danilo Poccia Senior

Re: [zfs-discuss] ZFS boot with gzip-9 compression

2008-05-16 Thread Danilo Poccia
14:34, Danilo Poccia ha scritto: Hi Victor, this seems quite easy to me but I don't know how to move around to actually implement/propose the required changes. To make grub aware of gzip (as it already is of lzjb) the steps should be: 1. create a new /onnv-gate/usr/src/grub/grub-0.95