<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On 18 March 2017 at 21:42, Tahereh Fattahi <span dir="ltr"><<a href="mailto:t28.fattahi@gmail.com" target="_blank">t28.fattahi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thank you very much.<div>Is it possible to change something in server inode table during a fop from client? (I want to change the dht_layout of a directory when create a file in that directory, but I dont know how send the changed layout to servers)</div></div></blockquote><div><br></div><div>Why do you want to change the layout when files are created?</div><div><br></div><div>Regards,</div><div>Nithya</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Mar 18, 2017 at 6:36 PM, Amar Tumballi <span dir="ltr"><<a href="mailto:atumball@redhat.com" target="_blank">atumball@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Thu, Mar 16, 2017 at 10:30 PM, Tahereh Fattahi <span dir="ltr"><<a href="mailto:t28.fattahi@gmail.com" target="_blank">t28.fattahi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span style="font-size:12.8px">Hi</span><div style="font-size:12.8px">Is it correct that each brick has one inode table for itself and each client has one inode table that stores anything that is stored in bricks inode table?</div><div style="font-size:12.8px"><br></div></div></blockquote></span><div>For a given inode, the contents on client side and server side would be very much different between how the volume graph is.<br></div><span><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-size:12.8px"></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Does all inode tables store in RAM all the time?</div></div></blockquote><div><br></div></span><div>Client (mainly fuse) inode table will be in memory all the time, until kernel sends a FORGET. Brick side we have limited number of inodes in memory. (There is an option called 'lru-limit').<br></div><span><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">When and how client's inode table update (how solve the inconsistency problem between clinet and brick inode table that is because of rebalance or other client fops) ?</div></div>
<br></blockquote><div><br></div></span><div>All the translators are designed to handle the consistency check in their 'lookup()' code, and they should send a response up with error saying its a stale inode (ESTALE), upon receiving which, the client inode table refreshes its inode, and does a fresh lookup again. This allows us to keep the inode table in consistency.<br><br></div><div>Hope that answers the question.<br><br></div><div>-Amar<br></div><div><br> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">______________________________<wbr>_________________<br>
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