Satoshi Asami writes:
However, if I try to mount it from B read-only while A is mounting
it read-write, it succeeds. This looks dangerous, as A writing data
onto the disk could cause B's cache to go stale without B knowing
it.
Just about as dangerous al letting A mount it read-onl
:Another problem is if A is mounting it read-only and then B tries to
:mount it read-write. This succeeds and is dangerous for the same
:reason as the last example. Since A can't write anything to the disk,
:I guess there is no way we can avoid this situation. (The only way I
:could think of avo
>>I know that, but that's not the point here. If the filesystem is
>>marked dirty, it could very well be corrupted. Why am I allowed to
>>mount it (even read-only)?
Because you are root, and root never makes mistakes :-).
>how else would you fsck / if it was dirty ?
Boot from an alternative de
In message <199901161046.caa47...@silvia.hip.berkeley.edu>, Satoshi Asami write
s:
> * >However, if I try to mount it from B read-only while A is mounting it
> * >read-write, it succeeds. This looks dangerous, as A writing data onto
> * >the disk could cause B's cache to go stale without B knowing
* >However, if I try to mount it from B read-only while A is mounting it
* >read-write, it succeeds. This looks dangerous, as A writing data onto
* >the disk could cause B's cache to go stale without B knowing it. Is
* >it a good idea to allow read-only mounts of a dirty filesystem anyway?
*
>However, if I try to mount it from B read-only while A is mounting it
>read-write, it succeeds. This looks dangerous, as A writing data onto
>the disk could cause B's cache to go stale without B knowing it. Is
>it a good idea to allow read-only mounts of a dirty filesystem anyway?
>(The filesys
Hi,
In our project, we're trying to connect two PCs to both ends of a SCSI
chain. I've got it somewhat working, but have a couple of questions
re. mounting the filesystems.
If I mount the filesystem from one machine (A) as read-write, then the
other one (B) can't mount it read-write because the
