Groovy thanks. ----- Original Message ----- From: "Joseph Tate" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, August 04, 2003 3:27 PM Subject: Re: hw vs sw raid (was Re: [TriLUG] RAID newbie question...)
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > You can mirror at the partition level. > > Roy Vestal wrote: > > |Also, do all 4 drives have to match, like SCSI? (old school brain). I know > |you can mix/match sometimes, but I haven't done ANY IDE RAID. > |----- Original Message ----- > |From: "Roy Vestal" <[EMAIL PROTECTED]> > |To: <[EMAIL PROTECTED]> > |Sent: Monday, August 04, 2003 3:21 PM > |Subject: Re: hw vs sw raid (was Re: [TriLUG] RAID newbie question...) > | > | > |>Crud, can you tell i have jet lag? Let me rephrase: > |> > |>IDE chain 1 = 2 drives - Master/Slaved > |>IDE chain 2 = 2 drives - Master/Slaved > |> > |>RAID 1 = Chain 2 mirroring Chain 1 > |> > |>Correct? > |> > |>----- Original Message ----- > |>From: "Roy Vestal" <[EMAIL PROTECTED]> > |>To: <[EMAIL PROTECTED]> > |>Sent: Monday, August 04, 2003 3:18 PM > |>Subject: Re: hw vs sw raid (was Re: [TriLUG] RAID newbie question...) > |> > |> > |>>Question then, > |>> I haven't setup software raid on IDE. I've only done this with SCSI > |> > |>so...My > |> > |>>question, I have a machine that will become my "server" and I want to > | > |raid > | > |>>the IDE's, I simply setup 2 on Chain one and 2 on Chain 2 and RAID 1 > | > |them > | > |>>(Chain 2 mirroring Chain 2)? > |>>----- Original Message ----- > |>>From: "Mike Johnson" <[EMAIL PROTECTED]> > |>>To: <[EMAIL PROTECTED]> > |>>Sent: Monday, August 04, 2003 3:22 PM > |>>Subject: Re: hw vs sw raid (was Re: [TriLUG] RAID newbie question...) > |>> > |>>Jason Tower [EMAIL PROTECTED] wrote: > |>> > |>>>true story: last year i was called in to fix a system that used > | > |software > | > |>>>raid 1 on a data partition (but not the other partitions). one of the > |>>>disks had failed and the system would no longer boot. i slapped a > |>>>knoppix cd in the drive, brought it up, mounted the remaining raid > |>>>partition, and scp'd the data to another system. software raid 1 is a > |>>>good thing :-) > |>> > |>>This is an important point, that perhaps may have been missed. With HW > |>>RAID, you're pretty much locked in. If you HW RAID card dies (it > |>>sucks), you either swap in the spare that you had laying around, hope > |>>you can find a used one off eBay, or just kiss your data good-bye and > |>>head for the tapes. There is no 'standard' for HW RAID data. Every > |>>vendor (and oftentimes even within a vendor -- different products) has a > |>>different format for how they store their blocks. For instance, if you > |>>have a HW RAID set up with 3Ware, you cannot use one of the Promise > |>>(yes, they make a -true- HW IDE RAID card) if the 3Ware dies. > |>> > |>>If you're using software RAID, you can move the drives around and still > |>>access them, or, as Jason did, even use knoppix. > |>> > |>>So, if you're looking for cheap, decent perfomance, just go software > |>>RAID. There is a performance hit, but the cost and flexibility make up > |>>for it. > |>> > |>>Mike > |>>-- > |>>"If life hands you lemons, YOU BLOW THOSE LEMONS TO BITS WITH > |>> YOUR LASER CANNONS!" -- Brak > |>> > |>>GNUPG Key fingerprint = ACD2 2F2F C151 FB35 B3AF C821 89C4 DF9A 5DDD > | > |95D1 > | > |>>GNUPG Key = http://www.enoch.org/mike/mike.pubkey.asc > |>> > |>>-- > |>>TriLUG mailing list : > | > |http://www.trilug.org/mailman/listinfo/trilug > | > |>>TriLUG Organizational FAQ : http://trilug.org/faq/ > |>>TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ > |>>TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc > |>> > |>> > |>-- > |>TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug > |>TriLUG Organizational FAQ : http://trilug.org/faq/ > |>TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ > |>TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc > |> > |> > | > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.2.2 (Cygwin) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iQCVAwUBPy6zroj0CKOSIRGqAQJCJAQAnBUr9t6QOIpYHGeRkm46DttIX6NtM6dW > U5pm3zIjNQo4NRErWO45iBTXiniPPYz4fFcuvxvKxnPercmzI8ZR4BUwdJ/J09ea > PDGh0Pa3YcctykFMJelfjkh9MnAWN5z9tH4oky9jhAKTcy+tfiUcp/P7kkvD6T2f > 1dDNT8eWEiU= > =Oz5f > -----END PGP SIGNATURE----- > > > -- > TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug > TriLUG Organizational FAQ : http://trilug.org/faq/ > TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ > TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc > > -- TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug TriLUG Organizational FAQ : http://trilug.org/faq/ TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc
