the problem on magnetic tape machine?

From: Xu Zhimin <xuzm_at_ns.cetin.net.cn>
Date: Fri, 03 Apr 1998 11:44:11 +0800

Dear manager:
    I found a strange problem on our magnetic tape devices. Our os is
DU4.0A,
We have four magnetic tape devices, and turn off them in evening every
day.
After we use them for some days , DU system don't recognize these
devices.
After I reboot the system, these tape devices are recognized again. But
this
event often occured irregularly.
    Someone told me not to turn off the magnetictape devices every day
because the DU advanced file system. will check all of devices
regularly.
If the system can't check the devices several times, the systemwill not
recognize the devices any more. Is it true? if not true , why ?
    Thank you very much in advance.
Received on Fri Apr 03 1998 - 07:37:49 NZST

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