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Can you please explain your problem in more detail?
It sounds like you have two hard disks attached, but Linux only sees one. How is the second drive connected? Are the cables completely connected? Does the BIOS see the second hard drive?
Thank for reply!!!
I'm sorry for my late(yes my english is terrible)...
dmesg | grep sdb do nothing, I check with fdisk -l, testdisk, parted, gparted, cfdisk, sfdisk...not see second hdd, only one drive(sda) and in dmesg this error:
ata2.00: both IDENTIFYs aborted, assuming NODEV <--this is sdb but not exist sdb only sda!
This is unique track I've seen...
The problem is I not have access to bios only from ssh.
I say the story...
One day the the website is down, I check the server, can't write in the disk(with root of course), I try seach solution but nothing, but before I make backup and is done, the 2 hard disk is mixed raid 1 and 0(some directory raid 1 and others in raid 0). When I reboot the ssh not start...Ok I make rescue and I try to mount the rai but nothing sdb not exist...Then I thing to format, but the second hard disk can't see again!!!
I must be sure before you say that HDD is broken.
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