Re: RAID for backup. RAID 5 or RAID 1?



In terms of redundancy, I'd rather have 3 different generations of backup on
3 different disks, than 1 backup on a RAID volume consisting of 3 disks.


"Marshall Lai" <marshall_lai@xxxxxxxxx> wrote in message
news:%23NZYjxyPFHA.4024@xxxxxxxxxxxxxxxxxxxxxxx
> Thanks for the suggestion. Thought of that before but performance
> probably is a bit slower then internal harddisks.
> Except if you are talking about 3.5" external enclosures of course. But
> then those things are very bulky. Not to mention there is no
> redundancy......
>
>
> "Godfrey Nicholson" <godfrey at ofektech dot com> wrote in message
> news:363C3A60-3C15-449F-AB64-9D1F210282F2@xxxxxxxxxxxxxxxx
>> Marshall:
>>
>> Another possibility you might want to consider is to back up onto an
>> external USB drive. It is a cheap, very fast option. I use it
>>
>> Godfrey
>>
>> "Marshall Lai" wrote:
>>
>>> I am contemplating adding some hard disks for backing up my SBS2003
>>> server.
>>> Should I go for RAID 5 or RAID 1?
>>> Any consensus here? The array will be used ONLY for backup and restore
>>> purposes and nothing else.
>>>
>>> Any insight will be much appreciated.
>>>
>>> Marshall
>>>
>>>
>>>
>
>


.



Relevant Pages

  • Re: RAID for backup. RAID 5 or RAID 1?
    ... is a bit slower then internal harddisks. ... Except if you are talking about 3.5" external enclosures of course. ... >> Should I go for RAID 5 or RAID 1? ...
    (microsoft.public.windows.server.sbs)
  • Re: SQL Server 2000 Performance - 10K vs. 15K
    ... Not a lot slower, but still slower -- and you know ... Log files and data files on separate raid ... OS and Log array is RAID 1 on channel 0, ...
    (microsoft.public.sqlserver.setup)
  • Re: SQL Server 2000 Performance - 10K vs. 15K
    ... Not a lot slower, but still slower -- and you know ... Log files and data files on separate raid ... OS and Log array is RAID 1 on channel 0, ...
    (microsoft.public.sqlserver.setup)
  • Re: [SLE] is Raid 1 (mirror) so slow ?
    ... I want to use RAID 5 using 3 HD but this will cost me more. ... Software RAID level 1 is slower than 1 harddisk? ... Writing and Reading ...
    (SuSE)
  • Re: Raid and SBS 2003
    ... Writes can be slower but reads are about the same speed as RAID 0 ... > Such is NOT slower than writing to single disk if a hardware RAID ... >> then compute the parity and stripe it across the lot of disks as well ...
    (microsoft.public.windows.server.sbs)