Doll, Margaret Ann wrote:
> On Thu, May 9, 2013 at 3:45 PM, Jonathan Billings
> <jsbillin@xxxxxxxxx>wrote:
>
>> align-check is not supported on the old version of parted in EL5.2.
>>
> I am running CentOS release 5.6 on this system.
Why have you not updated? RHEL 5.x is at 5.9, and there are a lot of bug
and security fixes....
mark
>>
>> On Thu, May 9, 2013 at 3:37 PM, Doll, Margaret Ann
>> <margaret_doll@xxxxxxxxx>wrote:
>>
>> > parted align-check optimal /dev/sda1
>> > Error: Could not stat device align-check - No such file or directory.
>> > Retry/Cancel? cancel
>> >
>> > On Thu, May 9, 2013 at 3:26 PM, Doll, Margaret Ann
>> > <margaret_doll@xxxxxxxxx>wrote:
>> >
>> > > The drives are Seagate Constellation disks, 1 Tb apiece. I have 15
>> of
>> > > them in the array.
>> > >
>> > >
>> > > On Thu, May 9, 2013 at 3:25 PM, <m.roth@xxxxxxxxx> wrote:
>> > >
>> > >> Doll, Margaret Ann wrote:
>> > >> > On Thu, May 9, 2013 at 3:09 PM, <m.roth@xxxxxxxxx> wrote:
>> > >> >
>> > >> >> Doll, Margaret Ann wrote:
>> > >> >> > The answer came from my vendor at Atipa.
>> > >> >> >
>> > >> >> > You will need to change the partitioning scheme to use GPT in
>> order
>> > >> to
>> > >> >> > enable greater than 2TB support.
>> > >> >>
>> > >> >> Which is what I was saying.
>> > >> >> >
>> > >> >> > # parted -s /dev/sda mklabel gpt
>> > >> >>
>> > >> >> This is command-line version of what I said - I was giving you
>> the
>> > >> >> interactive version. I do not understand why the above would
>> work,
>> > and
>> > >> >> what I suggested you do gave you "invalid token".
>> > >> >> >
>> > >> >> > # parted –s /dev/sda rm 1
>> > >> >>
>> > >> >> The above removes partition 1.
>> > >> >> >
>> > >> >> > # parted –s /dev/sda “mkpart primary xfs 1 -1”
>> > >> >> >
>> > >> >> You've decided to use xfs, yes? And the 1 bothers me, a lot.
>> That's
>> > >> >> either sector or cylinder... and they did *not* tell you to use
>> -a
>> > >> optimal for
>> > >> >> aligning the partition. If you do parted -l, what do you see?
>> > >> >>
>> > >> > [root@nas-0-0 ~]# parted -l
>> > >> >
>> > >> > Model: AMCC 9650SE-16M DISK (scsi)
>> > >> > Disk /dev/sda: 14.0TB
>> > >> > Sector size (logical/physical): 512B/512B
>> > >> > Partition Table: gpt
>> > >> >
>> > >> > Number Start End Size File system Name Flags
>> > >> > 1 17.4kB 14.0TB 14.0TB xfs primary
>> > >> >
>> > >> > df -h
>> > >> >
>> > >> > /dev/sda1 13T 8.4G 13T 1% /bigdisk1
>> > >>
>> > >> Yup - if this were a single disk, that would not be a good place to
>> > start,
>> > >> esp. if it was a large disk. I don't know how big the drives in the
>> > array
>> > >> are, and even though parted says it's 512/512 sector size, most new
>> > large
>> > >> drives are, in reality, 4k in hardware/firmware. You *might*
>> consider
>> > >> repartitioning, but start at 2048k, rather than 1. I suspect that
>> if
>> you
>> > >> did
>> > >> parted align-check optimal /dev/sda1
>> > >> that it would tell you it was not aligned properly.
>> > >>
>> > >> mark
>> > >>
>> > >>
>> > >>
>> > >> --
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>> > >>
>> > >
>> > >
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>>
>>
>> --
>> Jonathan Billings <jsbillin@xxxxxxxxx>
>> College of Engineering - CAEN - Unix and Linux Support
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