> On 20/05/13 10:53, Keith Keller wrote: > > On 2013-05-20, Tarak <tarakramgopal@xxxxxxxxx> wrote: > >> We sucessfully created a Raid array of 8 harddisks. > >> On power failure situation, > > > > You should probably have some sort of redundant power for such an > > array--either a UPS or backup power provided by a building > > generator. > > > > Can't agree with this strongly enough. Grab the best UPS you can > afford > (and often that means getting a 10 year old one second hand and > replacing the batteries). Best investment I _ever_ made was a 2000 > vintage APC SmartUPS 2200 and it cost all of about $200 second hand, > plus another $100 for new batteries. > > Also, look at adding a bitmap to your array. Then it will only resync > what it suspects might be dirty. oh - and if this is a raid-5 array, better get a new disk and change to raid-6. 8 drives in raid-5 is rather a lot… Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy@xxxxxxxxxxxxx http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
