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Post by MikeMusic on Dec 29, 2014 13:25:36 GMT
Big !
I assume that is one serious update
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Post by MartinT on Dec 29, 2014 13:55:57 GMT
It really is (1.6GB download)! Took the server another hour after coming back up to receive all the queued mail and calm down.
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Post by MikeMusic on Dec 29, 2014 15:16:52 GMT
Glad I don't have to do anything like that
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Post by stanleyb on Dec 29, 2014 15:59:00 GMT
I started this one last night and it took over 8 hours to apply  [/p][/quote] Are you on overtime rates for working 8 hours at night? |
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Post by MikeMusic on Dec 29, 2014 16:20:23 GMT
Being a total geek he probably did it via his phone !  |
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Post by MartinT on Dec 29, 2014 19:18:22 GMT
I could have! Actually, this virus I caught has made my waking and sleeping hours all mixed up.
Stan - no, being a part of the Senior Leadership Team I don't get any overtime. It's down to me to time manage, and I did all that to make my life easier on Friday with the server swap. No-one else is going to get it done.
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Post by MartinT on Dec 30, 2014 4:18:48 GMT
Well, that was successful. Whatever efficiencies the CU7 update brought, it has reduced the overnight backup of the 330GB mail server from 3h 40m to 2h 30m, quite an improvement.
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Post by MartinT on Jan 2, 2015 8:57:53 GMT
It's going well so far. 1.2TB of extremely fast RAID 10 array is initialising (these are four Seagate 600GB 15k rpm SAS drives) while the backup is copying to an external drive ready for restoring to the new server. Unfortunately our servers only have USB2 ports so the restore is going to take 3-4 hours.
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Post by MikeMusic on Jan 2, 2015 13:18:07 GMT
Monster amounts of data
I'm so glad that's not me looking after that
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Post by MartinT on Jan 2, 2015 13:35:49 GMT
My stats show that we have 3.3TB of online data which are backed up all the time (always to the backup server, to portable caddies and to a cloud backup service). The backup strategy alone gives me nightmares.
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Post by MartinT on Jan 2, 2015 15:41:55 GMT
It's all done.
Thank f*ck for that!
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Post by MikeMusic on Jan 3, 2015 13:44:59 GMT
My stats show that we have 3.3TB of online data which are backed up all the time (always to the backup server, to portable caddies and to a cloud backup service). The backup strategy alone gives me nightmares. Quite. Backups of backups of backups with safety checking routines all over. Not for me |
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Post by MikeMusic on Jan 3, 2015 13:45:34 GMT
It's all done. Thank f*ck for that! Now for some serious listening and sleep |
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Post by MartinT on Jan 16, 2015 7:26:55 GMT
Sobering Security Lesson
On Wednesday morning we started to receive bounce messages to e-mail sent outside of the organisation. They all said pretty much the same thing: our e-mail was being refused due to blacklisting. I checked the two lists concerned: Spamhaus and CBL, and sure enough we were on their blacklist. Horror! Using a few tools and doing a lot of tracking down, we finally traced the culprit down to one laptop with a trojan virus that was spamming as part of a botnet (malware infected machines controlled by someone in Eastern Europe, Russia or China that are used to send their spam crap). This took most of the day as we have a mixture of domain machines for staff and BYOD (Bring Your Own Device) machines used by the students. Thank goodness for our brilliant firewall that allowed us to view real-time data and do a Sherlock on where the outbound crap was coming from.
We snaffled the offending laptop, quarantined it and wiped it in short order. The trojan had infiltrated the machine to the point that it had disabled the AV software. Worse still, the member of staff (!) admitted that she had taken her laptop home and allowed her partner to use it to watch an illegal sports TV site. So that's where the payload came from! It was also a serious violation of the IT policy that disallows our machines from being used by anyone else.
Having killed the trojan, I applied for de-listing from Spamhaus and CBL and we just had to wait for the blacklisting to be cleared, which took all night. By yesterday morning, e-mail was flowing again.
The lesson is how one virus can bring down an entire e-mail system, not to mention the stupidity of staff causing such mayhem through simply ignoring the rules  |
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Post by MikeMusic on Jan 16, 2015 9:48:36 GMT
BYOD is a PITA
Member of staff should be on a warning for that. Seriously
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Post by MartinT on Jan 16, 2015 9:55:14 GMT
Agreed and agreed!
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Post by MikeMusic on Jan 16, 2015 15:14:41 GMT
The girls I can imagine but staff .........
Perhaps you cosset them too much
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Post by MartinT on Jan 16, 2015 20:42:43 GMT
I have to remember that I work with them every day. She was genuinely sorry and there are others who wouldn't be. I have scared the daylights out of everyone by clamping down hard on AV checks (including the amazing number of people who think Macs can't get viruses followed by us proving them wrong) and have learned more about how these things work and how to track them down.
Not too bad an outcome.
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Post by BilliumB on Jan 16, 2015 20:48:12 GMT
Hello Martin
So how big are the issues with Macs?
Cheers. Bill
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Post by MikeMusic on Jan 16, 2015 21:06:52 GMT
She was genuinely sorry and there are others who wouldn't be. the amazing number of people who think Macs can't get viruses have learned more about how these things work and how to track them down. Not too bad an outcome. That's good Ah yes Macs don't get viruses <cough> May have been true once Good experience out of bad experience Great how a bad thing can turn good. I've had a few of them recently |
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