On 24/05/07, kalin mintchev <[EMAIL PROTECTED]> wrote:
>> >
>> > i have a box in a remote hosting facility that claims that the machine
>> has
>> > two discs raided in it but df and fstab show only one disc with a
>> bunch of
>> > slices.
>> > under devices there is another name - ad6 - but it's not mounted
>> anywhere.
>> > the one i see both in df and the fstab is ad4 with one big slice and
>> > different partitions....
>> >
>> > they insist there are 2 raided discs in tha machine. the os is 5.4 and
>> i
>> > think at that point the raid drivers were still considered
>> 'experimental'.
>> >
>> > it makes sense to me that if i don't see a second drive in the fstab
>> there
>> > isn;t any mounting which means that there is no raid going on...
>> >
>> > is there any other way i can make sure if raid is actually on?
>> > would there will be any logs somewhere?
>> > the machine has been up for about 2 years and the dmesg is long
>> gone...
>> >
>> > thanks.....
>> >
. . .
> A proper RAID will show up as a single device,
> just like any hard drive (but different).
what do you mean by 'but different'? the actual df output lists this:
# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ad4s1a 290M 81M 186M 30% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/ad4s1d 989M 50K 910M 0% /tmp
/dev/ad4s1f 15G 5.0G 8.4G 37% /usr
/dev/ad4s1e 989M 33M 877M 4% /var
/dev/ad4s1g 126G 90G 25G 78% /work
i read it as one disk - ad4 - with one big slice 1 and 5 partitions.
am i wrong? fstab shows same devices.
> It does seem odd to me that a (supposed) RAID
> would show up as /dev/ad4.
please elaborate. do you mean that the raided disks will have another
id/name rather than 'ad'?
Not knowing what hardware you have, I would still hazard
that a RAID device will not show up as /dev/adN.
I would guess that the RAID controllers that use cam
might have their devices called by the /dev/daN convention,
but I don't know that.
ok. i guess i'd explore the 'interesting phone calls' one.
if it doesn;t walk like a duck and it doesn;t quack like a duck it must be
some other bird/thing...
I would agree with that.
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