Re: [zfs-discuss] Re: simple Raid-Z question

2007-04-08 Thread Manoj Joseph
Erik Trimble wrote: While expanding a zpool in the way you've show is useful, it has nowhere near the flexibility of simply adding single disks to existing RAIDZ vdevs, which was the original desire expressed. This conversation has been had several times now (take a look in the archives aroun

Re: [zfs-discuss] Re: simple Raid-Z question

2007-04-08 Thread Sanjeev Bagewadi
MC, If you originally had 4 * 500 GB disks configured in RAID-Z, you cannot add 1 single disk and grow the capacity of the pool (with same protection). This is not allowed. Regards, Sanjeev. MC wrote: Two conflicting answers to the same question? I guess we need someone to break the tie :)

Re: [zfs-discuss] Re: simple Raid-Z question

2007-04-07 Thread Erik Trimble
My current understanding is that RAIDZ and RAIDZ2 setups CANNOT be expanded, nor can they converted between. There has been considerable discussion on this point, and I think the consensus is that expansion is a highly desirable feature, but the exact timetable for adding expansion capability

Re: [zfs-discuss] Re: simple Raid-Z question

2007-04-07 Thread Malachi de Ælfweald
I was considering the same thing (but with 250GB drives) and instead decided to start with 5*250GB so that I could do raid-z2 instead thinking that once you add one more drive you'd rather have raidz2 than raidz On 4/7/07, MC <[EMAIL PROTECTED]> wrote: Two conflicting answers to the same questi