In <14516.26884.304027.933990@dukat.scot.redhat.com> Stephen C. Tweedie (sct@redhat.com) wrote:
> Hi,
> On Wed, 23 Feb 2000 17:34:43 -0000, "Towers, Tim (London)"
> <ttowers@MLE.CO.UK> said:
>> However, to protect users who have a removable media removed whilst
>> writes are occurring - Is there a way of remembering unwritten data
>> and requeueing it if a semi-written media is placed back in.
> Not really --- there is no reliable way to determine that it is the same
> disk which has been replaced,
There ARE such way: both FAT and EXT2FS use serial numbers. Of course it's
filesystem-specific thing but two mentioned above are by far most common ones
in Linux world.
> and queuing things to the wrong disk would be fatal.
This is true :-(
> You're also risking serious virtual memory deadlock problems
> if you "pin" that dirty data without hope of writeback for an extended
> period of time, although that effect could be limited with work.
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This archive was generated by hypermail 2b29 : Tue Feb 29 2000 - 21:00:11 EST