On Wed, 2017-10-18 at 22:28 +0200, Rudy Zijlstra wrote: > Hi David, > > Hi Rudy, > Op 18/10/2017 om 21:04 schreef dfc: > > I have an Orico (3559SUSJ3) external 5 bay > > hard disk drive enclosure attached via > > USB to my desktop computer. > > USB is indeed not the best choice. > > > It holds 5 * 4 TB disks in raid5 and > > has functioned for a couple of years. > > <snip> > > My main question is whether inserting > > the 5 disks into another JBOD chasis > > is likely to work? > > Yes, this should work. With a little luck you would not even need to > force it, as with a component failure all disks should have lost > connection at the same time. > The biggest risk is that the failure caused spikes before final > death, > causing damage on the HDD. But without knowing the actual failure > that > is pure conjecture. > You could test each disk separately -- as long as you only read from > them. Only reading is to ensure that no changes are done that make > later Thanks, I will try reading disks and then install in a new chasis. > re-build of the raid difficult. > > In particular is > > mdadm "smart enough" to find all > > the components and/or do I need to do > > something to help it along? In fact, > > our IT person has suggested that the > > data may well be lost. > > Your IT person apparently either thinks the HW failure caused > extensive > damage, or wants you to do something different, or... is not very > knowledgeable about this type of setup. > > <snip> > > Also, since I first used the JBOD with software > > raid I came to realize that the usb connection > > is not a good choice (though I have never had > > problems). What sort of connection (at the low > > price end of the market for HDD enclosures) > > would be better? eSata or something else? > > eSATA would work. But depends on the type of enclusure you can get. > I > leave that to people based in USA, who know what is available there. > > Cheers > > Rudy > -- > 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 -- 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