Re: [U2] SB Problem - Urgent

[Susan Lynch]

In response to a message from: kafsat taiyus   First, the problem looks like data corruption, given the error messages shown.   Second, how to fix it:   - Make sure all the users are logged off.   - Go to the SB directory and run       guide_51 DMCONT       This will produce a guide_errors file that will show you the             errors and will allow the fixfile command to repair them:   - Run the fixfile command       fixfile -dDummyfile -f       where Dummyfile is a file name that is not used in your                     application - it will hold some output from the fixfile command     when finished.   - Run another guide_51 DMCONT, and check the guide_errors file     to be sure that there are no errors this time.   -  Repeat fixfile and guide_51 if errors occur again.  Users can get on after  you stop seeing errors in the guide_errors file.   Third, what causes data structure errors?  There are a number of possible causes, including, but not limited to, system crashes, hardware and power problems, someone using a DOS or Windows or Unix text editor to change something in a UniData file without understanding the underlying file and record structure issues, a static file hitting the 2 gig limit, a file being restored from a damaged backup medium, etc.  Given that it is DMCONT, and not likely to be maintained by your application programs, I suspect that some of the other possible causes can be ruled out, like users updating the file without proper locking, one user doing a clear-file while someone else was updating the file.     Good luck getting the system back up for your users! Hi,   No body can log in to SB+ error                                                                                   Current UniData home is /usr/ud52/.                                             Current working directory is /data1/rtime/SBPlus/SB.                            2:blk check error in U_post_read for file 'DMCONT', key 'SB.ACCOUNTS', number=33                                                                                 1:block check error in modify_record for file 'DMCONT', key 'SB.ACCOUNTS', numbe r=34816                                                                         1:block check error in U_append_strtuple for file 'DMCONT', key 'SB.ACCOUNTS', n umber=33                                                                         Fatal error: WRITE error          Any idea why this is happening and how to fix it?   Regards Kafsat