mount /cdrom --> /cdrom is busy (Solaris 7)

mount /cdrom --> /cdrom is busy (Solaris 7)

Post by Sch?ner Stefa » Thu, 26 Aug 1999 04:00:00



After updating my sparc (sun4m) from Solaris 2.5.1 to Solaris 7
I've problems with mounting the CD-ROM.

When I try to mount it (as it worked under Solaris 2.5.1) with
        # mount -r -F hsfs /dev/dsk/c0t6d0s2 /cdrom

I receive the error message
mount: /dev/dsk/c0t6d0s2 is already mounted, /cdrom is busy,
        or allowable number of mountpoints exceeded

"mount" shows no mounts to /cdrom and there is no entry in mnttab.

When checking "/cdrom" for open FDs with "#fuser /cdrom"
or with lsof V 4.45 there are no open filedescriptors reported.

When mounting to a different mountpoint, for example
        # mount -r -F hsfs /dev/dsk/c0t6d0s2 /mnt
or after
        # rmdir /cdrom; mkdir /cdrom
everything works fine until the next reboot.

How can I check which process is holding the /cdrom busy.

Thanks
Stefan

 
 
 

mount /cdrom --> /cdrom is busy (Solaris 7)

Post by Juergen Marend » Fri, 27 Aug 1999 04:00:00



> After updating my sparc (sun4m) from Solaris 2.5.1 to Solaris 7
> I've problems with mounting the CD-ROM.

> When I try to mount it (as it worked under Solaris 2.5.1) with
>         # mount -r -F hsfs /dev/dsk/c0t6d0s2 /cdrom

> I receive the error message
> mount: /dev/dsk/c0t6d0s2 is already mounted, /cdrom is busy,
>         or allowable number of mountpoints exceeded

> "mount" shows no mounts to /cdrom and there is no entry in mnttab.

> When checking "/cdrom" for open FDs with "#fuser /cdrom"
> or with lsof V 4.45 there are no open filedescriptors reported.

> When mounting to a different mountpoint, for example
>         # mount -r -F hsfs /dev/dsk/c0t6d0s2 /mnt
> or after
>         # rmdir /cdrom; mkdir /cdrom
> everything works fine until the next reboot.

> How can I check which process is holding the /cdrom busy.

most likely, vold is running.

insert cd, wait some time, cd /cdrom/cdrom0
should show the contents of your cd.

Hope this helps,

Juergen Marenda.
--


 
 
 

mount /cdrom --> /cdrom is busy (Solaris 7)

Post by Sch?ner Stefa » Fri, 27 Aug 1999 04:00:00


Hi Juergen,

thanks for the hint.
But I forgot to mention in my e-mail that the startup of the
"vold" is disabled in the /etc/rc...-Script and there is no
vold running.  :-(



> > After updating my sparc (sun4m) from Solaris 2.5.1 to Solaris 7
> > I've problems with mounting the CD-ROM.

> > When I try to mount it (as it worked under Solaris 2.5.1) with
> >         # mount -r -F hsfs /dev/dsk/c0t6d0s2 /cdrom

> > I receive the error message
> > mount: /dev/dsk/c0t6d0s2 is already mounted, /cdrom is busy,
> >         or allowable number of mountpoints exceeded

> > "mount" shows no mounts to /cdrom and there is no entry in mnttab.

> > When checking "/cdrom" for open FDs with "#fuser /cdrom"
> > or with lsof V 4.45 there are no open filedescriptors reported.

> > When mounting to a different mountpoint, for example
> >         # mount -r -F hsfs /dev/dsk/c0t6d0s2 /mnt
> > or after
> >         # rmdir /cdrom; mkdir /cdrom
> > everything works fine until the next reboot.

> > How can I check which process is holding the /cdrom busy.

> most likely, vold is running.

> insert cd, wait some time, cd /cdrom/cdrom0
> should show the contents of your cd.

> Hope this helps,

> Juergen Marenda.
> --


 
 
 

mount /cdrom --> /cdrom is busy (Solaris 7)

Post by Sch?ner Stefa » Sat, 28 Aug 1999 04:00:00


Thanks Juergen !

/cdrom was shared in /etc/dfs/dfstab.
After the unshare (or removing the entry) everything worked fine.

But this seems to be a new "feature" of Solaris 7 because /cdrom
was already shared under Solaris 2.5.1.

Thanks
Stefan


> Hi Juergen,

> thanks for the hint.
> But I forgot to mention in my e-mail that the startup of the
> "vold" is disabled in the /etc/rc...-Script and there is no
> vold running.  :-(



> > > After updating my sparc (sun4m) from Solaris 2.5.1 to Solaris 7
> > > I've problems with mounting the CD-ROM.

> > > When I try to mount it (as it worked under Solaris 2.5.1) with
> > >         # mount -r -F hsfs /dev/dsk/c0t6d0s2 /cdrom

> > > I receive the error message
> > > mount: /dev/dsk/c0t6d0s2 is already mounted, /cdrom is busy,
> > >         or allowable number of mountpoints exceeded

> > > "mount" shows no mounts to /cdrom and there is no entry in mnttab.

> > > When checking "/cdrom" for open FDs with "#fuser /cdrom"
> > > or with lsof V 4.45 there are no open filedescriptors reported.

> > > When mounting to a different mountpoint, for example
> > >         # mount -r -F hsfs /dev/dsk/c0t6d0s2 /mnt
> > > or after
> > >         # rmdir /cdrom; mkdir /cdrom
> > > everything works fine until the next reboot.

> > > How can I check which process is holding the /cdrom busy.

> > most likely, vold is running.

> > insert cd, wait some time, cd /cdrom/cdrom0
> > should show the contents of your cd.

> > Hope this helps,

> > Juergen Marenda.
> > --


 
 
 

1. mount /mnt/cdrom ==> mount: the kernel does not recognize /dev/cdrom as a block device

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