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Domenica, 4 agosto, 2013 | Autore:

Ho avuto un calo di tensione influisce il mio server di grandi dimensioni md RAID schiera. Invece di lasciare che il server come un complesso essere giù in attesa che il completamento di un fsck, Avevo si avvia senza la vasta gamma così ho potuto eseguire il fsck manualmente.

Tuttavia, quando si esegue manualmente ho capito che non avevo modo di sapere quanto fosse e quanto tempo ci vorrebbe per completare. Ciò è particolarmente problematico con una vasta gamma tale. Con un po 'di ricerca ho trovato la punta di aggiungendo il parametro-C quando si chiama fsck. Non riuscivo a trovare questo nella documentazione comunque: fsck –aiuto non ha mostrato tale opzione.

L'opzione si rivela essere ext4 specifici, e mostra quindi una barra di avanzamento perfettamente funzionale con un indicatore percentuale. Per trovare le informazioni, invece di “fsck –aiutare” o “uomo fsck”, devi ingresso “fsck.ext4 –aiutare” o “uomo fsck.ext4”. 🙂

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Tuesday, February 17th, 2009 | Autore:

Some of you may already know that I built a home server not too long ago. I documented some of the very important parts of how it was built though I was planning on releasing all the documentation all at once. I was using Arch Linux and I hadn’t nearly finished everything, especially the documentation. Per esempio, it was supposed to be a media server. After some disk shuffling, it was supposed to end up having a RAID1 for the boot and RAID 10 for the rest (the media part).

This didn’t work out at all.

I got as far as having an efficient (e benefirewalled) routing gateway server. I was finally satisfied that the customised local routing* was working correctly and I was confident that my tests with DHCP meant I could disable the DHCP service on the flimsy ADSL router and have all my flatmates start using the server as the Internet porta. Instead: I was logged in to the server from the office, I’d just installed Apache2**, and I was about to consult with a colleague regarding getting nice graphs put together so the flatmates could all see who was using up the bandwidth***when I noticed a little message indicating that the root filesystem had been remounted read-only due to some or other disk failure.

And then I lost my connection to the server.

And then I gained a foul mood.

🙁

When I arrived home, I found that, as I had guessed from the descriptive message given at the office, il (molto) old 80GB IDE disk that I was using for the root filesystem had failed. Unfortunately, the server would never boot again and there was little chance of prying everything off onto another disk to continue where I’d left off.

I’m buying a replacement (SATA) HDD this next weekend just after pay dayand I’ve changed my mind about documenting my progressand backing up my configurations:

Release Early. Release Often.

* ISPs in South Africa charge less (easy price comparison) per “local-only” (within South Africa) traffic on ADSL but only if you use an ADSL account that CANNOT access web services outside of South Africa. This means that if you want to take advantage of the reduced costs but still be able to access the Internet at large, you need to set up some sneaky routing.

** one-command-install: ~$ yaourt -S apache

*** Internet Access in SA is expensiveyou get charged about R70 ($7 / £4.9 / €5.46) per GB when using ADSL, or about R2 per MB if using GPRS / 3G.

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