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Home > Archive > Data Storage > May 2004 > iSCSI & redundancy
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iSCSI & redundancy
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| Erez Zilber 2004-05-30, 11:11 am |
| Hi,
Does iSCSI enables redundancy? For example: if I want to have 2 disks
with the same data, can I do that with iSCSI?
Thanks
Erez
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| Nik Simpson 2004-05-30, 11:11 am |
| Erez Zilber wrote:
> Hi,
>
> Does iSCSI enables redundancy? For example: if I want to have 2 disks
> with the same data, can I do that with iSCSI?
>
Thing like mirroring or RAID-5 have nothing to do with iSCSI. Like SCSI or
SATA or FC, iSCSI is just a protocol for transferring data between host and
storage, it has nothing to do with what levels of redundancy might be built
in to the storage.
As to to whether you can get iSCSI attached storage where the underlying
storage has redundancy, the answer is yes, but it's not a function of iSCSI.
--
Nik Simpson
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| Erez Zilber 2004-05-31, 2:54 am |
| "Nik Simpson" <n_simpson@bellsouth.net> wrote in message news:<%Riuc.14739$UA3.4006@bignews3.bellsouth.net>...
> Erez Zilber wrote:
> Thing like mirroring or RAID-5 have nothing to do with iSCSI. Like SCSI or
> SATA or FC, iSCSI is just a protocol for transferring data between host and
> storage, it has nothing to do with what levels of redundancy might be built
> in to the storage.
>
> As to to whether you can get iSCSI attached storage where the underlying
> storage has redundancy, the answer is yes, but it's not a function of iSCSI.
Thanks!
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