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Top Forums UNIX for Dummies Questions & Answers ssh_exchange_identification: Connection closed by remote host Connection closed Post 302284187 by cbkihong on Thursday 5th of February 2009 12:43:22 AM
Old 02-05-2009
Is it possible that one of your systems has run out of file descriptors? Because every socket is also a "file" in Unix and also occupies FDs. Just a wild guess anyway.

Have you checked the SSH log at the server side and does that give you any clues?
 

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fsclean(1M)															       fsclean(1M)

NAME
fsclean - determine the shutdown status of HFS file systems SYNOPSIS
[special ...] DESCRIPTION
The command determines the shutdown status of the HFS file system specified by special or, in the absence of special, the file systems listed in of type with the or options set. All optional fields in must be present for to be able to check each file system. reads the superblock to determine whether the file system's last shutdown was done correctly, and returns one of the following values: All of the checked file systems were shut down correctly. One or more checked file systems were not shutdown correctly, implying that should be run (see fsck(1M)). Other error (such as The command is usually silent. Options Check quotas. Instead of checking the file system shutdown status, checks the validity of disk quota statistics. This option is useful for determining whether should be run (see quotacheck(1M)). If special is not provided, then all file systems in of type with the (or and options are checked. Retry open on a device special file for up to 6 minutes. Be verbose. Prints the status of each file system checked. DEPENDENCIES
only operates on HFS file systems. AUTHOR
was developed by HP. FILES
Default list of file systems to check SEE ALSO
dumpfs(1M), fsck(1M), fsck_hfs(1M), mount(1M), quotacheck(1M), quotacheck_hfs(1M), reboot(1M), fstab(4). fsclean(1M)
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