On Thu, Sep 18, 2008 at 11:23:36PM +0000, A Darren Dunham wrote:
> Background: Directly attached LTO3 drive. Backups are normally nice
> and speedy (50+ MB/s). ndmpd probe suggests that it's read 15GB of data
> in over 24 hours. *way* too slow.
I guess I was just looking for a read technique when I asked. I didn't
really think the system details were important, so I forgot to include
them. But in case they are...
Filer: FAS6070
OnTap: 7.2.2
slot 0: FC Host Adapter 0g (Dual-channel, QLogic 2322 rev. 3, 64-bit, L-port, <UP>)
Firmware rev: 3.3.21
Host Loop Id: 7 FC Node Name: 5:00a:098600:011457
Cacheline size: 16 FC Packet size: 2048
SRAM parity: Yes External GBIC: No
Link Data Rate: 2 Gbit
111: Tape: IBM ULTRIUM-TD3 64D0
slot 0: FC Host Adapter 0h (Dual-channel, QLogic 2322 rev. 3, 64-bit, L-port, <UP>)
Firmware rev: 3.3.21
Host Loop Id: 7 FC Node Name: 5:00a:098700:011457
Cacheline size: 16 FC Packet size: 2048
SRAM parity: Yes External GBIC: No
Link Data Rate: 2 Gbit
111: Tape: IBM ULTRIUM-TD3 64D0
-- Darren
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